CVE-2025-70252 Memory corruption in n/a
A stack overflow vulnerability in the Tenda AC6V2 router allows attackers to execute arbitrary code or cause a denial of service via crafted parameters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-70252?
CVE-2025-70252 is a high-severity memory corruption vulnerability in Tenda Ac6 Firmware, published on 2 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in /goform/WifiWpsStart in Tenda AC6V2.0 V15.03.06.23_multi. The index and mode are controllable. If the conditions are met to sprintf, they will be spliced into tmp. It is worth noting that there is no size check,which leads to a stack overflow vulnerability.
Weakness: CWE-121
Which versions are affected by CVE-2025-70252?
It affects 1 product.
Products include Tenda Ac6 Firmware.
How do I fix CVE-2025-70252?
No fix has been published for CVE-2025-70252 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-2025-70252 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-70252 exists.
Other vulnerabilities in Tenda Ac6 Firmware
Sources
Also known as GHSA-p7m8-274h-m4f6.