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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
TP-Link Systems Inc. Archer MR200 v5.2
Default version status: unaffected
0 to < 1.2.0 Build 250917 Rel.51746affected
TP-Link Systems Inc. Archer C20 v6
Default version status: unaffected
0 to < 0.9.1 4.19 v0001.0 Build 250630 Rel.56583naffected
TP Link Systems Inc. TL-WR850N v3
Default version status: unaffected
0 to < 3.16.0 0.9.1 v6031.0 Build 251205 Rel.22089naffected
TP Link Systems Inc. TL-WR845N v4
Default version status: unaffected
0 to < 0.9.1 3.19 Build 251031 rel33710affected
TP-Link Systems Inc. Archer C20 v5
Default version status: unaffected
0 to < US_V5_260419affected0 to < EU_V5_260317affected
References
- https://www.tp-link.com/en/support/download/archer-mr200/v5.20/#Firmware ↗
- https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware ↗
- https://www.tp-link.com/in/support/download/tl-wr850n/#Firmware ↗
- https://www.tp-link.com/en/support/download/tl-wr845n/#Firmware ↗
- https://www.tp-link.com/in/support/download/archer-mr200/v5.20/#Firmware ↗
- https://www.tp-link.com/in/support/download/archer-c20/v6/#Firmware ↗
- https://www.tp-link.com/in/support/download/tl-wr845n/#Firmware ↗
- https://www.tp-link.com/us/support/faq/4948/ ↗
- https://www.tp-link.com/us/support/download/archer-c20/v5/#Firmware ↗
- https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware ↗