NVD

CVE-2022-34840 Detail

Description

Use of hard-coded credentials vulnerability in multiple Buffalo network devices allows a network-adjacent attacker to alter?configuration settings of the device. The affected products/versions are as follows: WZR-300HP firmware Ver. 2.00 and earlier, WZR-450HP firmware Ver. 2.00 and earlier, WZR-600DHP firmware Ver. 2.00 and earlier, WZR-900DHP firmware Ver. 1.15 and earlier, HW-450HP-ZWE firmware Ver. 2.00 and earlier, WZR-450HP-CWT firmware Ver. 2.00 and earlier, WZR-450HP-UB firmware Ver. 2.00 and earlier, WZR-600DHP2 firmware Ver. 1.15 and earlier, and WZR-D1100H firmware Ver. 2.00 and earlier.

Severity

CVSS 3.x Severity and Metrics:

NIST: NVD

Base Score: 6.5 MEDIUM

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

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://jvn.jp/en/vu/JVNVU92805279/index.html	Third Party Advisory
https://www.buffalo.jp/news/detail/20221003-01.html	Patch Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-798	Use of Hard-coded Credentials	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

1 change records found show changes

Initial Analysis by NIST 12/12/2022 8:51:47 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:hw-450hp-zwe_firmware::::::::* versions up to (including) 2.00 OR cpe:2.3:h:buffalo:hw-450hp-zwe:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-300hp_firmware::::::::* versions up to (including) 2.00 OR cpe:2.3:h:buffalo:wzr-300hp:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-450hp-cwt_firmware::::::::* versions up to (including) 2.00 OR cpe:2.3:h:buffalo:wzr-450hp-cwt:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-450hp-ub_firmware::::::::* versions up to (including) 2.00 OR cpe:2.3:h:buffalo:wzr-450hp-ub:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-450hp_firmware::::::::* versions up to (including) 2.00 OR cpe:2.3:h:buffalo:wzr-450hp:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-600dhp2_firmware::::::::* versions up to (including) 1.15 OR cpe:2.3:h:buffalo:wzr-600dhp2:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-600dhp_firmware::::::::* versions up to (including) 2.00 OR cpe:2.3:h:buffalo:wzr-600dhp:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-900dhp_firmware::::::::* versions up to (including) 1.15 OR cpe:2.3:h:buffalo:wzr-900dhp:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:buffalo:wzr-d1100h_firmware::::::::* versions up to (including) 2.00 OR cpe:2.3:h:buffalo:wzr-d1100h:-:::::::*
Added	CVSS V3.1		NIST AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Added	CWE		NIST CWE-798
Changed	Reference Type	https://jvn.jp/en/vu/JVNVU92805279/index.html No Types Assigned	https://jvn.jp/en/vu/JVNVU92805279/index.html Third Party Advisory
Changed	Reference Type	https://www.buffalo.jp/news/detail/20221003-01.html No Types Assigned	https://www.buffalo.jp/news/detail/20221003-01.html Patch, Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2022-34840
NVD Published Date:
12/07/2022
NVD Last Modified:
12/12/2022
Source:
JPCERT/CC

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National Vulnerability Database