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CVE-2026-8913 TP-Link Systems Inc. CVE debrief

A command injection vulnerability exists in the WireGuard client configuration of Archer MR600 v5 due to improper neutralization of user-controlled input within the web management interface. An authenticated attacker with administrative privileges may be able to execute arbitrary commands when applying configuration changes. Successful exploitation may result in a full compromise of confidentiality, integrity, and availability of the affected device.

Vendor
TP-Link Systems Inc.
Product
Archer MR600 v5
CVSS
HIGH 8.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-06-09
Advisory published
2026-06-08
Advisory updated
2026-06-09

Who should care

Administrators and users of Archer MR600 v5 devices should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability has a CVSS score of 8.5 and is classified as HIGH severity. The CVSS vector is CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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.

Defensive priority

HIGH

Recommended defensive actions

  • Apply firmware updates from the vendor as soon as they are available.
  • Restrict access to the web management interface to only trusted users.
  • Monitor device logs for suspicious activity.

Evidence notes

The vendor is TP-Link, and the product is Archer MR600 v5.

Official resources

CVE-2026-8913 was published on 2026-06-08T18:16:34.177Z and modified on 2026-06-09T13:51:18.770Z.