National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-8217 Detail

Current Description

TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n have too permissive iptables rules, e.g., SNMP is not blocked on any interface.

Source:  MITRE
Description Last Modified:  04/25/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.3 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N (V3 legend)
Impact Score: 1.4
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html Exploit Technical Description Third Party Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:tp-link:c2_firmware:*:rel.37961n:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
0.9.1_4.2_v0032.0_build_160706
Running on/with
 cpe:2.3:h:tp-link:c2:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:tp-link:c20i_firmware:*:rel.37961n:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
0.9.1_4.2_v0032.0_build_160706
Running on/with
 cpe:2.3:h:tp-link:c20i:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-8217
NVD Published Date:
04/25/2017
NVD Last Modified:
05/09/2017