CVE-2024-3908: Tenda AC500 WriteFacMac formWriteFacMac command injection

Vulnerability summary

CVE-2024-3908 is a critical (CVSS 9.8) Command Injection vulnerability in tenda ac500_firmware. EPSS estimates a 8.72% chance of exploitation in the next 30 days, higher than 95.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 17-04-2024
   PublishedVulnerability first disclosed.
2. 01-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability classified as critical has been found in Tenda AC500 2.0.1.9(1307). Affected is the function formWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-261144. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.