CVE-2025-53714

TP-Link TL-WR841N WzdWlanSiteSurveyRpm_AP.htm buffer overflow

Severity Score

6.9

*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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

Se ha detectado una vulnerabilidad en TP-Link TL-WR841N V11. La vulnerabilidad se encuentra en el archivo /userRpm/WzdWlanSiteSurveyRpm_AP.htm debido a la omisión de la validación de los parámetros de entrada, lo que puede provocar un desbordamiento del búfer que provoque un bloqueo del servicio web y una denegación de servicio (DoS). El ataque puede ejecutarse en remoto. Esta vulnerabilidad solo afecta a los productos que ya no reciben soporte del fabricante.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

High

User Interaction

None

System

Vulnerable | Subsequent

Confidentiality

None

Integrity

None

Availability

High

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-07-09 CVE Reserved
2025-07-29 CVE Published
2025-08-01 CVE Updated
2025-08-04 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

CAPEC-469: HTTP DoS

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.tp-link.com/us/support/faq/4569	2025-07-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Tp-link Search vendor "Tp-link"	Tl-wr841n Firmware Search vendor "Tp-link" for product "Tl-wr841n Firmware"	<= 160325 Search vendor "Tp-link" for product "Tl-wr841n Firmware" and version " <= 160325"	-	Affected	in	Tp-link Search vendor "Tp-link"	Tl-wr841n Search vendor "Tp-link" for product "Tl-wr841n"	11 Search vendor "Tp-link" for product "Tl-wr841n" and version "11"	-	Safe