CVE-2025-13190 D-Link DIR-816L __ajax_exporer.sgi scandir_main stack-based overflow

High 8.7 Published Updated

Remote attackers can trigger a stack-based buffer overflow in the D-Link DIR-816L router to execute arbitrary code, affecting unsupported devices.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-13190?

CVE-2025-13190 is a high-severity memory corruption vulnerability in D-Link DIR-816L, published on 15 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in D-Link DIR-816L 2_06_b09_beta. This vulnerability affects the function scandir_main of the file /portal/__ajax_exporer.sgi. The manipulation of the argument en results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-121, CWE-119

Which versions are affected by CVE-2025-13190?

It affects 1 product.

Products include Dlink Dir-816l Firmware.

How do I fix CVE-2025-13190?

No fix has been published for CVE-2025-13190 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-2025-13190 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-13190 exists.

Sources

Also known as GHSA-f4hm-5v9c-8vx2.

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