CVE-2025-25746 Memory corruption in n/a

Critical 9.8 Published Updated

A stack-based buffer overflow in the D-Link DIR-853 router allows attackers to execute arbitrary code or cause a denial of service via the Password parameter.

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-2025-25746?

CVE-2025-25746 is a critical memory corruption vulnerability in n/a, published on 12 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

D-Link DIR-853 A1 FW1.20B07 was discovered to contain a stack-based buffer overflow vulnerability via the Password parameter in the SetWanSettings module.

Weakness: CWE-787

Which versions are affected by CVE-2025-25746?

It affects 1 product.

Products include Dlink Dir-853 Firmware.

How do I fix CVE-2025-25746?

No fix has been published for CVE-2025-25746 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-2025-25746 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-25746 exists.

Sources

Also known as GHSA-hvvr-j4rh-p665.

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