8.6

CVE-2025-25427: tp-link systems inc. tl-wr841n v14/v14.6/v14.8 Cross-site Scripting

CVSS: 8.6v4.0HighAnalyzed
Published 18-04-2025Last modified 01-07-2025
Open JSON

Vulnerability summary

CVE-2025-25427 is a high (CVSS 8.6) Cross-site Scripting vulnerability in tp-link systems inc. tl-wr841n v14/v14.6/v14.8. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v4.0 (CVE.org)
EPSS score
0.60%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 18-04-2025
    PublishedVulnerability first disclosed.
  2. 01-07-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.01 pp

From 0.58% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    2025 25427

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Tp-link1 product
Tp-link systems inc.1 product

2 vendors · 2 products

References

4 links