Buffer Overflow Vulnerability in TP-Link TL-WR841N Router
CVE-2025-53711

6.9MEDIUM

Key Information:

Vendor

Tp-link Systems Inc.

Status
Tl-wr841n V11
Vendor
CVE Published:
29 July 2025

What is CVE-2025-53711?

A vulnerability has been identified in the TP-Link TL-WR841N V11 router, stemming from inadequate input parameter validation in the /userRpm/WlanNetworkRpm.htm file. This flaw can lead to a buffer overflow, potentially causing a crash in the web service and resulting in a denial-of-service (DoS) condition. The issue can be exploited remotely and specifically affects products that have reached the end of their support lifecycle.

Affected Version(s)

TL-WR841N V11 0 <= 160325

References

https://www.tp-link.com/us/support/faq/4569/
vendor-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.