CVE-2025-11324 Tenda AC18 setNotUpgrade stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda AC18 router via the setNotUpgrade endpoint, potentially leading to code execution.
- 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-2025-11324?
CVE-2025-11324 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 vulnerability was identified in Tenda AC18 15.03.05.19(6318). Affected by this vulnerability is an unknown functionality of the file /goform/setNotUpgrade. Such manipulation of the argument newVersion leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.
Which versions are affected by CVE-2025-11324?
It affects 1 product.
Products include Tenda Ac18 Firmware.
How do I fix CVE-2025-11324?
No fix has been published for CVE-2025-11324 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-2025-11324 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11324 exists.
Other vulnerabilities in Tenda Ac18 Firmware
Sources
Also known as GHSA-gv3w-h3x7-gxc4.