CVE-2025-57063 Memory corruption in n/a
Attackers can cause a Denial of Service on Tenda G3 routers via a crafted request exploiting a stack overflow in port mapping.
- 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-2025-57063?
CVE-2025-57063 is a high-severity memory corruption vulnerability in n/a, published on 9 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda G3 v3.0br_V15.11.0.17 was discovered to contain a stack overflow in the portMappingIndex parameter in the formDelPortMapping function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
Weakness: CWE-121
Which versions are affected by CVE-2025-57063?
It affects 1 product.
Products include Tenda G3 Firmware.
How do I fix CVE-2025-57063?
No fix has been published for CVE-2025-57063 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-2025-57063 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-57063 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-576x-vr78-m4v5.