CVE-2025-57085 Memory corruption in n/a

Critical 9.8 Published 9 Sep 2025 Updated 11 Sep 2025

Attackers can cause a Denial of Service on Tenda W30E routers via a crafted request exploiting a stack overflow in the UploadCfg function.

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-2025-57085?

CVE-2025-57085 is a critical memory corruption vulnerability in Tenda W30e Firmware, 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 W30E V16.01.0.19 (5037) was discovered to contain a stack overflow in the v17 parameter in the UploadCfg 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-2025-57085?

It affects 1 product.

Products include Tenda W30e Firmware.

How do I fix CVE-2025-57085?

No fix has been published for CVE-2025-57085 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-2025-57085 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-57085 exists.

All Tenda W30e Firmware vulnerabilities

Sources

Also known as GHSA-7f5g-622m-45vg.