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CVE-2025-25427— XSS in TP-Link TL-WR841N v14/v14.6/v14.8 Upnp page

Quick assessment

Affected
TP-Link Systems Inc. TL-WR841N v14/v14.6/v14.8
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TP-LINK TL-WR841N是中国普联（TP-LINK）公司的一款无线路由器。 TP-LINK TL-WR841N v14/v14.6/v14.8 Build 241230 Rel. 50788n及之前版本存在安全漏洞，该漏洞源于upnp.htm页面存在存储型跨站脚本，可能导致执行任意JavaScript代码。

AI Predicted 6.1 Difficulty: Easy EPSS 0.56% · P44
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I. Basic Information for CVE-2025-25427

Vulnerability Information
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Vulnerability Title
XSS in TP-Link TL-WR841N v14/v14.6/v14.8 Upnp page
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:N/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
TP-LINK TL-WR841N 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-LINK TL-WR841N是中国普联（TP-LINK）公司的一款无线路由器。 TP-LINK TL-WR841N v14/v14.6/v14.8 Build 241230 Rel. 50788n及之前版本存在安全漏洞，该漏洞源于upnp.htm页面存在存储型跨站脚本，可能导致执行任意JavaScript代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TP-Link Systems Inc. TL-WR841N v14/v14.6/v14.8 0 ~ Build 241230 Rel. 50788n -

II. Public POCs for CVE-2025-25427

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III. Intelligence Information for CVE-2025-25427

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Other References for CVE-2025-25427 (1)

IV. Related Vulnerabilities

Same vendor: TP-Link Systems Inc.
Same weakness: CWE-79

V. Comments for CVE-2025-25427

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