CVE-2025-53711 MEDIUM

CVE-2025-53711: TP-Link TL-WR841N, TL-WR842ND and TL-WR949N WlanNetworkRpm.htm buffer overflow

Vendor Tp-Link Systems Inc.
Product TL-WR841N v11
Weakness CWE-120
Published July 29, 2025
Last update March 19, 2026
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CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 29, 2025 CVE published
March 19, 2026 Record updated