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…

PriorityP434medium5.6CVSS 3.1

AVNACHPRNUINSUCLILAL

EPSS

0.43%

34.0th percentile

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

10 ranges

Vendor	Product	Version range	Fixed in
tp-link	archer_c20_firmware	< 250630	250630
tp-link	archer_mr200_firmware	< 250917	250917
tp-link	tl-wr845n_firmware	< 251031	251031
tp-link	tl-wr850n_firmware	< 0.9.1_Build251205	0.9.1_Build251205
tp-link_systems_inc	archer_c20_v5	< US_V5_260419	US_V5_260419
tp-link_systems_inc	archer_c20_v5	< EU_V5_260317	EU_V5_260317
tp-link_systems_inc	archer_c20_v6	< 0.9.1 4.19 v0001.0 Build 250630 Rel.56583n	0.9.1 4.19 v0001.0 Build 250630 Rel.56583n
tp-link_systems_inc	archer_mr200_v5.2	< 1.2.0 Build 250917 Rel.51746	1.2.0 Build 250917 Rel.51746
tp_link_systems_inc	tl-wr845n_v4	< 0.9.1 3.19 Build 251031 rel33710	0.9.1 3.19 Build 251031 rel33710
tp_link_systems_inc	tl-wr850n_v3	< 3.16.0 0.9.1 v6031.0 Build 251205 Rel.22089n	3.16.0 0.9.1 v6031.0 Build 251205 Rel.22089n

CVSS provenance

nvdv3.15.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

nvdv4.05.9MEDIUMCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.