CVE-2025-25427

XSS in TP-Link TL-WR841N v14/v14.6/v14.8 Upnp page

Severity Score

8.6

*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

A stored cross-site scripting (XSS) vulnerability in the upnp.htm page of the web Interface in TP-Link WR841N v14/v14.6/v14.8 <= Build 241230 Rel. 50788n allows remote attackers to inject arbitrary JavaScript code via the port mapping description. This leads to an execution of the JavaScript payload when the upnp page is loaded.

Una vulnerabilidad de cross-site scripting (XSS) almacenado en la página upnp.htm de la interfaz web de TP-Link WR841N v14/v14.6/v14.8 <= Build 241230 Rel. 50788n permite a atacantes remotos inyectar código JavaScript arbitrario mediante la descripción de la asignación de puertos. Esto provoca la ejecución del payload de JavaScript al cargar la página upnp.

*Credits: N/A

CVSS Scores

Attack Vector

Adjacent

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

Passive

System

Vulnerable | Subsequent

Confidentiality

High

Low

Integrity

High

None

Availability

High

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2025-02-07 CVE Reserved
2025-04-18 CVE Published
2025-07-01 CVE Updated
2025-07-10 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

CAPEC-63: Cross-Site Scripting (XSS)

References (5)

URL	Tag	Source
https://github.com/slin99/2025-25427
https://www.tp-link.com/en/support/download/tl-wr841n/#Firmware
https://www.tp-link.com/us/support/download/tl-wr841n/#Firmware
https://github.com/slin99/2025-25427/blob/master/readme.md
https://www.tp-link.com/us/support/faq/4415

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

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"		Wr841n Firmware Search vendor "Tp-link" for product "Wr841n Firmware"				*		-		Affected