CVE-2025-12225 Tenda AC6 HTTP Request WifiGuestSet stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda AC6 router via the WifiGuestSet handler, potentially leading to code execution or service disruption.
- 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-2025-12225?
CVE-2025-12225 is a high-severity memory corruption vulnerability in Tenda Ac6 Firmware, published on 27 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been found in Tenda AC6 15.03.06.50. This issue affects some unknown processing of the file /goform/WifiGuestSet of the component HTTP Request Handler. Such manipulation of the argument shareSpeed leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-12225?
It affects 1 product.
Products include Tenda Ac6 Firmware.
How do I fix CVE-2025-12225?
No fix has been published for CVE-2025-12225 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-2025-12225 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-12225 exists.
Other vulnerabilities in Tenda Ac6 Firmware
Sources
Also known as GHSA-jwpw-v44x-63pc.