CVE-2025-15551
Medium
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.
SeverityMedium
CVSS5.6
Exploit probability—
Product
Tp-link Archer Mr200 Firmware
PublishedFeb 5, 2026
First seenFeb 5, 2026
Weakness typeCWE-95CWE-95
How to fix
Update
- tp-link archer_mr200_firmware250917 or later
- tp-link archer_c20_firmware250630 or later
- tp-link tl-wr850n_firmware0.9.1_Build251205 or later
- tp-link tl-wr845n_firmware251031 or later
Patches
- tp-link.com/en/support/download/archer-mr200/v5.20/#Firmware
- tp-link.com/en/support/download/archer-c20/v6/#Firmware
- tp-link.com/in/support/download/tl-wr850n/#Firmware
- tp-link.com/en/support/download/tl-wr845n/#Firmware
- tp-link.com/in/support/download/archer-mr200/v5.20/#Firmware
- tp-link.com/in/support/download/archer-c20/v6/#Firmware
- tp-link.com/in/support/download/tl-wr845n/#Firmware
- tp-link.com/us/support/download/archer-c20/v5/#Firmware
- tp-link.com/en/support/download/archer-c20/v5/#Firmware
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| tp-link archer_mr200_firmware | v < 250917 | 250917 |
| tp-link archer_c20_firmware | v < 250630 | 250630 |
| tp-link tl-wr850n_firmware | v < 0.9.1_Build251205 | 0.9.1_Build251205 |
| tp-link tl-wr845n_firmware | v < 251031 | 251031 |
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