CVE-2024-2489: Tenda AC18 SetNetControlList formSetQosBand stack-based overflow

Vulnerability summary

CVE-2024-2489 is a high (CVSS 9.0) Stack-based Buffer Overflow vulnerability in tenda ac18_firmware. EPSS estimates a 1.65% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 15-03-2024
   PublishedVulnerability first disclosed.
2. 10-04-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability classified as critical has been found in Tenda AC18 15.03.05.05. Affected is the function formSetQosBand of the file /goform/SetNetControlList. The manipulation of the argument list leads to stack-based buffer overflow. 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-256896. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.