CVE-2025-15551

LAN Code Execution on TP-Link Archer MR200, Archer C20, TL-WR850N and TL-WR845N

State
Published
Severity
5.9 Medium
Published
Feb 5, 2026
Updated
Apr 22, 2026
Reserved
Jan 29, 2026

Read the record on cve.org

Description

The response coming from TP-Link Archer MR200 v5.2, C20 v5 and v6, TL-WR850N v3, and TL-WR845N v4 for any request is getting executed by the JavaScript function like eval directly without any check. Attackers can exploit this vulnerability via a Man-in-the-Middle (MitM) attack to execute JavaScript code on the router's admin web portal without the user's permission or knowledge.

Scores

CVSSScoreVectorSource
4.05.9 MediumCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:NTPLink

Weaknesses

  • CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

Affected Products

ProductVersions
Archer MR200 v5.2TP-Link Systems Inc.
  • before 1.2.0 Build 250917 Rel.51746Affected
Archer C20 v6TP-Link Systems Inc.
  • before 0.9.1 4.19 v0001.0 Build 250630 Rel.56583nAffected
TL-WR850N v3TP Link Systems Inc.
  • before 3.16.0 0.9.1 v6031.0 Build 251205 Rel.22089nAffected
TL-WR845N v4TP Link Systems Inc.
  • before 0.9.1 3.19 Build 251031 rel33710Affected
Archer C20 v5TP-Link Systems Inc.
  • before US_V5_260419Affected
  • before EU_V5_260317Affected

References

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