Tenda · Tenda A18 Pro · CVE-2026-4493
**Name of the Vulnerable Software and Affected Versions**
Tenda A18 Pro version 02.03.02.28
**Description**
A flaw exists in the MAC Filtering Configuration Endpoint of the Tenda A18 Pro. Specifically, the function `sub 423B50` within the file `/goform/setMacFilterCfg` is susceptible to a stack-based buffer overflow. This issue can be triggered by manipulating the `deviceList` argument, potentially allowing for remote exploitation. The vulnerability has been publicly disclosed.
**Recommendations**
Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider disabling the MAC Filtering feature until a patch is available.