RCE in Tp-Link Archer C20

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 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.

EPSS: 0.004 (34.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-15551?
CVE-2025-15551 is a medium-severity vulnerability in Tp-Link Archer C20, classified under Eval Injection. CVSS score: 5.6/10. Published 2026-02-05.
How severe is CVE-2025-15551?
Medium severity. CVSS v3 base score is 5.6 out of 10.