CVE-2022-26211: totolink a3000ru_firmware OS Command Injection

Vulnerability summary

CVE-2022-26211 is a critical (CVSS 9.8) OS Command Injection vulnerability in totolink a3000ru_firmware. EPSS estimates a 2.78% chance of exploitation in the next 30 days, higher than 86.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 15-03-2022
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 were discovered to contain a command injection vulnerability in the function CloudACMunualUpdate, via the deviceMac and deviceName parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.