CVE-2025-53711 TP-Link TL-WR841N, TL-WR842ND and TL-WR949N WlanNetworkRpm.htm buffer overflow
Remote attackers can trigger a buffer overflow in the web interface of unsupported TP-Link routers, causing a denial-of-service crash.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53711?
CVE-2025-53711 is a medium-severity memory corruption vulnerability in TP Link Systems Inc. TL-WR841N v11, published on 29 Jul 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability has been found in TP-Link TL-WR841N v11, TL-WR842ND v2 and TL-WR494N v3. The vulnerability exists in the /userRpm/WlanNetworkRpm.htm file due to missing input parameter validation, which may lead to the buffer overflow to cause a crash of the web service and result in a denial-of-service (DoS) condition. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2025-53711?
It affects 1 product.
Products include Tp-Link Tl-Wr841n Firmware.
How do I fix CVE-2025-53711?
No fix has been published for CVE-2025-53711 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-2025-53711 being exploited?
There is no known exploitation of CVE-2025-53711 in the wild and no public exploit code.
Other vulnerabilities in TP Link Systems Inc. TL-WR841N v11
Sources
Also known as GHSA-hx4q-7q28-475p.