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Vulnerabilities

Vulnerability · CVE-2025-15551

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

Published Feb 5, 2026 · catalog updated Apr 22, 2026 · TP-Link Systems Inc. Archer C20 v6

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-15551. EPSS is 0.44%. Act only if a listed version of TP-Link Systems Inc. Archer C20 v6 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.44%
Remediation
Version ranges on file
Affected products
vendor TP-Link Systems Inc. Archer C20 v6 0 <0.9.1 4.19 v0001.0 Build 250630 Rel.56583n

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor TP-Link Systems Inc. Archer C20 v6 0 <0.9.1 4.19 v0001.0 Build 250630 Rel.56583n0 <0.9.1 4.19 v0001.0 Build 250630 Rel.56583n

How to fix CVE-2025-15551

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-15551. EPSS is 0.44%. Act only if a listed version of TP-Link Systems Inc. Archer C20 v6 is installed.

Which versions are affected?

Compare what you have installed with TP-Link Systems Inc. Archer C20 v6 0 <0.9.1 4.19 v0001.0 Build 250630 Rel.56583n 0 <0.9.1 4.19 v0001.0 Build 250630 Rel.56583n. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.44%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 5, 2026 · EUVD

    Detected

    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.

  2. Apr 22, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-15551

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-15551

    30-day exploitation probability 0.44%

    first.org
  • EUVDVulnerability recordEUVD-2025-206826

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026