CVE-2025-2621 D-Link DAP-1620 storage check_dws_cookie stack-based overflow

Critical 9.3 Published 22 Mar 2025 Updated 24 Mar 2025

Remote attackers can exploit a stack-based buffer overflow in the storage check_dws_cookie function to execute arbitrary code on unsupported D-Link DAP-1620 devices.

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-2025-2621?

CVE-2025-2621 is a critical memory corruption vulnerability in D-Link DAP-1620, published on 22 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was found in D-Link DAP-1620 1.03 and classified as critical. This issue affects the function check_dws_cookie of the file /storage. The manipulation of the argument uid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-121, CWE-787, CWE-119

Which versions are affected by CVE-2025-2621?

It affects 1 product.

Products include Dlink Dap-1620 Firmware.

How do I fix CVE-2025-2621?

No fix has been published for CVE-2025-2621 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-2025-2621 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2621 exists.

Sources

Also known as GHSA-qfgw-2hj2-mgmg.