CVE-2025-63147 Memory corruption in n/a

Medium 6.5 Published Updated

Attackers can cause a Denial of Service on Tenda AX3 routers by sending a crafted request with a malicious deviceId parameter.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-63147?

CVE-2025-63147 is a medium-severity memory corruption vulnerability in Tenda Ax3 Firmware, published on 10 Nov 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Tenda AX3 V16.03.12.10_CN was discovered to contain a stack overflow in the deviceId parameter of the saveParentControlInfo function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2025-63147?

It affects 1 product.

Products include Tenda Ax3 Firmware.

How do I fix CVE-2025-63147?

No fix has been published for CVE-2025-63147 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-2025-63147 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63147 exists.

All Tenda Ax3 Firmware vulnerabilities

Sources

Also known as GHSA-j24q-3g9v-77c9.

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