CVE-2024-2806: Tenda AC15 addWifiMacFilter stack-based overflow

Vulnerability summary

CVE-2024-2806 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in tenda ac15_firmware. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.5% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 22-03-2024
   PublishedVulnerability first disclosed.
2. 21-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability classified as critical has been found in Tenda AC15 15.03.05.18/15.03.20_multi. This affects the function addWifiMacFilter of the file /goform/addWifiMacFilter. The manipulation of the argument deviceId/deviceMac leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-257661 was assigned to this vulnerability. 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).