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VulnerabilityPublished Updated

CVE-2025-15551: TP-Link Systems Archer MR200 v5.2 · Eval Injection

Affects TP-Link Systems Archer MR200 v5.2Source CVE Database V5

0

Not known to be exploited · CVSS 5.9 Medium : upgrade to 1.2.0 Build 250917 Rel.51746 when convenient.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 4.0 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.2.0 Build 250917 Rel.51746, 0.9.1 4.19 v0001.0 Build 250630 Rel.56583n, 3.16.0 0.9.1 v6031.0 Build 251205 Rel.22089n +3
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
TP-Link Systems Inc.Archer MR200 v5.2Affected
  • =0
Fixed in
  • 1.2.0 Build 250917 Rel.51746
TP-Link Systems Inc.Archer C20 v6Affected
  • =0
Fixed in
  • 0.9.1 4.19 v0001.0 Build 250630 Rel.56583n
TP Link Systems Inc.TL-WR850N v3Affected
  • =0
Fixed in
  • 3.16.0 0.9.1 v6031.0 Build 251205 Rel.22089n
TP Link Systems Inc.TL-WR845N v4Affected
  • =0
Fixed in
  • 0.9.1 3.19 Build 251031 rel33710
TP-Link Systems Inc.Archer C20 v5Affected
  • =0
Fixed in
  • US_V5_260419
  • EU_V5_260317

AI-suggested

If you cannot patch yet, users should minimize exposure to potential MitM attacks by securing their network environment, such as using encrypted management interfaces and avoiding untrusted networks.

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.

References

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