Buffer Overflow Vulnerability in TP-Link TL-WR841N Router
CVE-2025-53712

6.9MEDIUM

Key Information:

Vendor

Tp-link Systems Inc.

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

What is CVE-2025-53712?

A flaw identified in the TP-Link TL-WR841N V11 router is rooted in inadequate input parameter validation within the /userRpm/WlanNetworkRpm_AP.htm file. This oversight exposes the device to potential buffer overflow attacks. If exploited, this vulnerability could lead to a crash of the web service, resulting in unauthorized denial-of-service (DoS) conditions. Notably, it affects devices that are no longer supported, leaving users vulnerable to remote attacks that could compromise network stability.

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

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CVE-2025-53712 : Buffer Overflow Vulnerability in TP-Link TL-WR841N Router