CVE-2024-2854: Tenda AC18 setsambacfg formSetSambaConf os command injection

Vulnerability summary

CVE-2024-2854 is a critical (CVSS 9.8) OS Command Injection vulnerability in tenda ac18_firmware. EPSS estimates a 3.90% chance of exploitation in the next 30 days, higher than 90.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 24-03-2024
   PublishedVulnerability first disclosed.
2. 12-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability classified as critical has been found in Tenda AC18 15.03.05.05. Affected is the function formSetSambaConf of the file /goform/setsambacfg. The manipulation of the argument usbName leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-257778 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

• 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.