CVE-2025-4354 Tenda DAP-1520 storage check_dws_cookie stack-based overflow

High 8.7 Published 6 May 2025 Updated 6 May 2025

A remote stack-based buffer overflow in the Tenda DAP-1520 storage check_dws_cookie function allows attackers to execute arbitrary code.

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-2025-4354?

CVE-2025-4354 is a high-severity memory corruption vulnerability in Tenda DAP-1520, published on 6 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02 and classified as critical. Affected by this issue is the function check_dws_cookie of the file /storage. The manipulation leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

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

Which versions are affected by CVE-2025-4354?

It affects 1 product.

Products include Dlink Dap-1520 Firmware.

How do I fix CVE-2025-4354?

No fix has been published for CVE-2025-4354 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-2025-4354 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4354 exists.

Sources

Also known as GHSA-pc7p-8jw5-r2vh.