NVD

CVE-2020-25014 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways running firmware version V4.30 through to V4.55 allows remote unauthenticated attackers to execute arbitrary code via a crafted http packet.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 9.8 CRITICAL

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 7.5 HIGH

Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://businessforum.zyxel.com/categories/security-news-and-release	Release Notes Vendor Advisory
https://businessforum.zyxel.com/categories/security-news-and-release	Release Notes Vendor Advisory
https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml	Vendor Advisory
https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Initial Analysis by NIST 12/10/2020 2:15:32 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added	CVSS V2		NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Added	CWE		NIST CWE-787
Added	CPE Configuration		Record truncated, showing 500 of 755 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 760 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 761 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 757 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 755 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 754 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 757 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 757 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 754 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 757 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 754 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 754 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 754 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 754 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 754 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:-::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxe
Added	CPE Configuration		Record truncated, showing 500 of 756 characters. View Entire Change Record AND OR cpe:2.3:o:zyxel:access_points_firmware:-::::::: cpe:2.3:o:zyxel:access_points_firmware::::::::* versions up to (including) 6.10 cpe:2.3:o:zyxel:access_points_firmware:6.10:patch1::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch2::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch3::::::* cpe:2.3:o:zyxel:access_points_firmware:6.10:patch4::::::* *cpe:2.3:o:zyxel:a
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg1100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg110:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg1900:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg20-vpn:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg20w-vpn:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg210:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg2200-vpn:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg310:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg40:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg40w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg60:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg60w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_1100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_110:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_1900:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_20w-vpn:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_20w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_2200-vpn:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_310:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_40:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_40w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_60:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_60w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_flex_100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_flex_100w:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_flex_200:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_flex_500:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:usg_flex_700:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:vpn100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:vpn300:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:vpn50:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:zywall_1100:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:zywall_110:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:zyxel:zld_firmware::::::::* versions from (including) 4.30 up to (including) 4.55 OR cpe:2.3:h:zyxel:zywall_310:-:::::::*
Changed	Reference Type	https://businessforum.zyxel.com/categories/security-news-and-release No Types Assigned	https://businessforum.zyxel.com/categories/security-news-and-release Release Notes, Vendor Advisory
Changed	Reference Type	https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml No Types Assigned	https://www.zyxel.com/support/Zyxel-security-advisory-for-buffer-overflow-vulnerability.shtml Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2020-25014
NVD Published Date:
11/27/2020
NVD Last Modified:
12/12/2024
Source:
MITRE

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2020-25014 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CPE Deprecation Remap by NIST 12/12/2024 11:23:25 AM

CVE Modified by CVE 11/21/2024 12:16:30 AM

CVE Modified by MITRE 5/14/2024 2:49:40 AM

Initial Analysis by NIST 12/10/2020 2:15:32 PM

Quick Info