CVE-2025-4355 Tenda DAP-1520 api set_ws_action heap-based overflow
A remote attacker can trigger a heap-based buffer overflow in the Tenda DAP-1520 API to potentially 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-2025-4355?
CVE-2025-4355 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. It has been classified as critical. This affects the function set_ws_action of the file /dws/api/. The manipulation leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-4355?
It affects 1 product.
Products include Dlink Dap-1520 Firmware.
How do I fix CVE-2025-4355?
No fix has been published for CVE-2025-4355 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-2025-4355 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-4355 exists.
Other vulnerabilities in Tenda DAP-1520
Sources
Also known as GHSA-76fj-53vf-7c56.