PatchSiren

PatchSiren cyber security CVE debrief

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
2026-07-23
Advisory published
2026-06-08
Advisory updated
2026-07-23

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-8913 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-8913

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-8913 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-8913

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://www.tp-link.com/en/support/download/archer-mr600/v5/

    f23511db-6c3e-4e32-a477-6aa17d310630

  • Source reference

    Unverified legacy reference

    URL: https://www.tp-link.com/jp/support/download/archer-mr600/v5/

    f23511db-6c3e-4e32-a477-6aa17d310630

  • Source reference

    Unverified legacy reference

    URL: https://www.tp-link.com/us/support/faq/5122/

    f23511db-6c3e-4e32-a477-6aa17d310630

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.