CVE-2025-11326 Tenda AC18 WifiMacFilterSet stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda AC18 router via the WifiMacFilterSet interface, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11326?
CVE-2025-11326 is a high-severity memory corruption vulnerability in Tenda Ac18 Firmware, published on 6 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Tenda AC18 15.03.05.19(6318). This affects an unknown part of the file /goform/WifiMacFilterSet. Executing a manipulation of the argument wifi_chkHz can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
Which versions are affected by CVE-2025-11326?
It affects 1 product.
Products include Tenda Ac18 Firmware.
How do I fix CVE-2025-11326?
No fix has been published for CVE-2025-11326 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-11326 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11326 exists.
Other vulnerabilities in Tenda Ac18 Firmware
Sources
Also known as GHSA-crhw-rxfp-56gj.