7.5
HIGH CVSS 3.1
CVE-2025-53715
"TP-Link TL-WR841N Web Service Buffer Overflow DoS"
Description

A vulnerability has been found in TP-Link TL-WR841N V11. The vulnerability exists in the /userRpm/Wan6to4TunnelCfgRpm.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.

INFO

Published Date :

July 29, 2025, 6:15 p.m.

Last Modified :

Aug. 1, 2025, 6:42 p.m.

Remotely Exploit :

Yes !

Source :

f23511db-6c3e-4e32-a477-6aa17d310630
Affected Products

The following products are affected by CVE-2025-53715 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tp-link tl-wr841n_firmware
2 Tp-link tl-wr841n
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 4.0 MEDIUM f23511db-6c3e-4e32-a477-6aa17d310630
Solution
Update firmware or replace the device to fix a buffer overflow vulnerability.
  • Update router firmware to the latest available version.
  • Replace the unsupported device with a supported model.
  • Restrict network access to the device.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-53715.

URL Resource
https://www.tp-link.com/us/support/faq/4569/ Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-53715 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-53715 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-53715 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 01, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CPE Configuration AND OR *cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:* versions up to (including) 160325 OR cpe:2.3:h:tp-link:tl-wr841n:11:*:*:*:*:*:*:*
    Added Reference Type TPLink: https://www.tp-link.com/us/support/faq/4569/ Types: Vendor Advisory
  • New CVE Received by f23511db-6c3e-4e32-a477-6aa17d310630

    Jul. 29, 2025

    Action Type Old Value New Value
    Added Tag unsupported-when-assigned
    Added Description A vulnerability has been found in TP-Link TL-WR841N V11. The vulnerability exists in the /userRpm/Wan6to4TunnelCfgRpm.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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-119
    Added Reference https://www.tp-link.com/us/support/faq/4569/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.9
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact