Buffer Overflow Vulnerability in TP-Link TL-WR841N V11 Router
CVE-2025-53715

6.9MEDIUM

Key Information:

Vendor

Tp-link Systems Inc.

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

What is CVE-2025-53715?

A buffer overflow vulnerability has been identified in the TP-Link TL-WR841N V11 router, affecting the /userRpm/Wan6to4TunnelCfgRpm.htm file. This flaw arises from insufficient input parameter validation, potentially allowing an attacker to exploit the vulnerability remotely. If exploited, it could cause the associated web service to crash, leading to a denial-of-service condition. Notably, this vulnerability affects only those devices that are no longer supported by the vendor.

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-2025-53715 : Buffer Overflow Vulnerability in TP-Link TL-WR841N V11 Router