CVE-2025-69763 Memory corruption in n/a
A stack overflow in the Tenda AX3 router allows remote attackers to execute arbitrary code via the vlanId parameter.
- 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-2025-69763?
CVE-2025-69763 is a critical memory corruption vulnerability in Tenda Ax3 Firmware, published on 21 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause memory corruption and enable remote code execution.
Weakness: CWE-121
Which versions are affected by CVE-2025-69763?
It affects 1 product.
Products include Tenda Ax3 Firmware.
How do I fix CVE-2025-69763?
No fix has been published for CVE-2025-69763 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-2025-69763 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69763 exists.
Other vulnerabilities in Tenda Ax3 Firmware
Sources
Also known as GHSA-3jfq-h25g-xqjx.