Medium severity · published Feb 5, 2026
CVE-2025-15551
LAN Code Execution on TP-Link Archer MR200, Archer C20, TL-WR850N and TL-WR845N
5.6
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Archer C20 v5 · TP-Link Systems Inc.
before US_V5_260419; before EU_V5_260317 · source: vendor
AC
Archer C20 v6 · TP-Link Systems Inc.
before 0.9.1 4.19 v0001.0 Build 250630 Rel.56583n · source: vendor
AM
Archer MR200 v5.2 · TP-Link Systems Inc.
before 1.2.0 Build 250917 Rel.51746 · source: vendor
TV
TL-WR845N v4 · TP Link Systems Inc.
before 0.9.1 3.19 Build 251031 rel33710 · source: vendor
TV
TL-WR850N v3 · TP Link Systems Inc.
before 3.16.0 0.9.1 v6031.0 Build 251205 Rel.22089n · source: vendor
AC
Archer C20 Firmware · Tp-link
before 250630 · source: NVD
AM
Archer Mr200 Firmware · Tp-link
before 250917 · source: NVD
TF
Tl-wr845n Firmware · Tp-link
before 251031 · source: NVD
TF
Tl-wr850n Firmware · Tp-link
before 0.9.1_Build251205 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15551
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15551
www.tp-link.com
https://www.tp-link.com/en/support/download/archer-c20/v5/#Firmware
Product
https://www.tp-link.com/en/support/download/archer-c20/v6/#Firmware
Product
https://www.tp-link.com/en/support/download/archer-mr200/v5.20/#Firmware
Product
https://www.tp-link.com/en/support/download/tl-wr845n/#Firmware
Product
https://www.tp-link.com/in/support/download/archer-c20/v6/#Firmware
Product
https://www.tp-link.com/in/support/download/archer-mr200/v5.20/#Firmware
More from TL-WR845N v4
5.2
CVE-2026-12001
Hardcoded Credential Vulnerability in Multiple TP-Link Router Models