CVE-2021-33514 Information

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker via the vulnerable /sqfs/lib/libsal.so.0.0 library used by a CGI application as demonstrated by setup.cgi?token=’;$HTTP_USER_AGENT;’ with an OS command in the User-Agent field. This affects GC108P before 1.0.7.3 GC108PP before 1.0.7.3 GS108Tv3 before 7.0.6.3 GS110TPPv1 before 7.0.6.3 GS110TPv3 before 7.0.6.3 GS110TUPv1 before 1.0.4.3 GS710TUPv1 before 1.0.4.3 GS716TP before 1.0.2.3 GS716TPP before 1.0.2.3 GS724TPPv1 before 2.0.4.3 GS724TPv2 before 2.0.4.3 GS728TPPv2 before 6.0.6.3 GS728TPv2 before 6.0.6.3 GS752TPPv1 before 6.0.6.3 GS752TPv2 before 6.0.6.3 MS510TXM before 1.0.2.3 and MS510TXUP before 1.0.2.3.

CVSS Vector

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

Reference

https://kb.netgear.com/000063641/Security-Advisory-for-Pre-Authentication-Command-Injection-Vulnerability-on-Some-Smart-Switches-PSV-2021-0071 https://gynvael.coldwind.pl/?lang=en&id=733

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8