CVE-2025-57528 Denial of service in n/a

High 7.7 Published Updated

Attackers can cause a denial of service on Tenda AC6 routers by sending crafted parameters to the SetCfm endpoint.

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-2025-57528?

CVE-2025-57528 is a high-severity denial of service vulnerability in Tenda Ac6 Firmware, published on 19 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01 allowing attackers to cause a denial of service via the funcname, funcpara1, funcpara2 parameters to the formSetCfm function (uri path: SetCfm).

Weakness: CWE-20

Which versions are affected by CVE-2025-57528?

It affects 1 product.

Products include Tenda Ac6 Firmware.

How do I fix CVE-2025-57528?

No fix has been published for CVE-2025-57528 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-57528 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-57528 exists.

All Tenda Ac6 Firmware vulnerabilities

Sources

Also known as GHSA-7hfx-hmgj-p66f.

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