CVE-2025-22903 Memory corruption in n/a

Medium 4.6 Published Updated

A stack overflow in the TOTOLINK N600R router allows attackers to execute arbitrary code or cause a denial of service via the pin parameter.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-22903?

CVE-2025-22903 is a medium-severity memory corruption vulnerability in n/a, published on 15 Apr 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the pin parameter in the function setWiFiWpsConfig.

Weakness: CWE-121

Which versions are affected by CVE-2025-22903?

It affects 1 product.

Products include Totolink N600r Firmware.

How do I fix CVE-2025-22903?

No fix has been published for CVE-2025-22903 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-2025-22903 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-22903 exists.

Sources

Also known as GHSA-r3xh-xmm6-qp4w.

Is CVE-2025-22903 in your software?

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