LAN Code Execution on TP-Link Archer MR200, Archer C20, TL-WR850N and TL-WR845N

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Summary

CVECVE-2025-15551
StatePUBLISHED
AssignerTPLink
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-02-05 18:16:09 UTC
Updated2026-04-22 22:16:28 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v4.0 5.9 MEDIUM from f23511db-6c3e-4e32-a477-6aa17d310630

CVSS: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

EPSS: 0.000320000 probability, percentile 0.094120000 (date 2026-04-22)

Problem Types: CWE-95 | CWE-95 CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

VersionSourceTypeScoreSeverityVector
4.0f23511db-6c3e-4e32-a477-6aa17d310630Secondary5.9MEDIUMCVSS: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/C...
4.0CNACVSS5.9MEDIUMCVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
3.1[email protected]Primary5.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v4.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
Passive
Confidentiality
High
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS: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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Tp-link Archer C20 6 All All All
Operating System Tp-link Archer C20 Firmware All All All All
Hardware Tp-link Archer Mr200 5.20 All All All
Operating System Tp-link Archer Mr200 Firmware All All All All
Hardware Tp-link Tl-wr845n 4 All All All
Operating System Tp-link Tl-wr845n Firmware All All All All
Hardware Tp-link Tl-wr850n 3 All All All
Operating System Tp-link Tl-wr850n Firmware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TP-Link Systems Inc. Archer MR200 V5.2 affected 1.2.0 Build 250917 Rel.51746 custom Not specified
CNA TP-Link Systems Inc. Archer C20 V6 affected 0.9.1 4.19 v0001.0 Build 250630 Rel.56583n custom Not specified
CNA TP Link Systems Inc. TL-WR850N V3 affected 3.16.0 0.9.1 v6031.0 Build 251205 Rel.22089n custom Not specified
CNA TP Link Systems Inc. TL-WR845N V4 affected 0.9.1 3.19 Build 251031 rel33710 custom Not specified
CNA TP-Link Systems Inc. Archer C20 V5 affected US_V5_260419 custom Not specified
CNA TP-Link Systems Inc. Archer C20 V5 affected EU_V5_260317 custom Not specified

References

ReferenceSourceLinkTags
www.tp-link.com/en/support/download/archer-c20/v6 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/us/support/download/archer-c20/v5 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com
www.tp-link.com/in/support/download/archer-mr200/v5.20 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/us/support/faq/4948 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Vendor Advisory
www.tp-link.com/in/support/download/tl-wr850n f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/en/support/download/archer-mr200/v5.20 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/en/support/download/archer-c20/v5 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com
www.tp-link.com/in/support/download/archer-c20/v6 f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/in/support/download/tl-wr845n f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
www.tp-link.com/en/support/download/tl-wr845n f23511db-6c3e-4e32-a477-6aa17d310630 www.tp-link.com Product
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Swaroop Dora, Deven Lunkad, Ashutosh Kumar, and S. Venkatesan from IoT Security Research Lab, Indian Institute of Information Technology, Allahabad (en)

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