CVE-2025-11122 Tenda AC18 WizardHandle stack-based overflow
A remote attacker can trigger a stack-based buffer overflow in the Tenda AC18 router's WizardHandle function, potentially leading to arbitrary 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-2025-11122?
CVE-2025-11122 is a high-severity memory corruption vulnerability in Tenda Ac18 Firmware, published on 28 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in Tenda AC18 15.03.05.19. This affects an unknown function of the file /goform/WizardHandle. The manipulation of the argument WANT/mtuvalue results in stack-based buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.
Which versions are affected by CVE-2025-11122?
It affects 1 product.
Products include Tenda Ac18 Firmware.
How do I fix CVE-2025-11122?
No fix has been published for CVE-2025-11122 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-2025-11122 being exploited?
There is no known exploitation of CVE-2025-11122 in the wild and no public exploit code.
Other vulnerabilities in Tenda Ac18 Firmware
Sources
Also known as GHSA-g6g7-3q23-f7qx.