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PatchSiren cyber security CVE debrief

CVE-2026-22226 TP-Link Systems Inc. CVE debrief

CVE-2026-22226 is a high-severity command injection vulnerability in TP-Link Archer BE230 v1.2 and Archer AX73 v2. Successful exploitation could allow an authenticated admin to gain full administrative control of the device, resulting in severe compromise of configuration integrity, network security, and service availability. This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420 and Archer AX73 v2 < 1.3.1 Build 20260430.

Vendor
TP-Link Systems Inc.
Product
Archer BE230 v1.2
CVSS
HIGH 8.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-02-02
Original CVE updated
2026-06-04
Advisory published
2026-02-02
Advisory updated
2026-06-04

Who should care

Administrators and users of TP-Link Archer BE230 v1.2 and Archer AX73 v2 devices should apply patches to mitigate this vulnerability.

Technical summary

A command injection vulnerability exists in the VPN server configuration module of TP-Link Archer BE230 v1.2 and Archer AX73 v2. The vulnerability has a CVSS score of 8.5 and is classified as HIGH severity.

Defensive priority

High

Recommended defensive actions

  • Apply patches from TP-Link's official support pages: [Archer AX73 v2 Firmware](ref-4), [Archer BE230 v1.2 Firmware](ref-5).
  • Refer to TP-Link's support FAQ for additional guidance: [TP-Link Support FAQ](ref-9).

Evidence notes

This CVE covers one of multiple distinct OS command injection issues identified across separate code paths. Although similar in nature, each instance is tracked under a unique CVE ID.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-22226 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-22226

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

  • CVE-2026-22226 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-22226

    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-ax73/v2/

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

  • Source reference

    Unverified legacy reference

    URL: https://www.tp-link.com/en/support/download/archer-be230/v1.20/

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

  • Source reference

    Unverified legacy reference

    URL: https://www.tp-link.com/sg/support/download/archer-be230/v1.20/

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

  • Source reference

    Unverified legacy reference

    URL: https://www.tp-link.com/us/support/download/archer-ax73/v2/

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

  • Source reference

    Unverified legacy reference

    URL: https://www.tp-link.com/us/support/download/archer-be230/v1.20/

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

  • Mitigation or vendor reference

    Unverified legacy reference

    URL: https://www.tp-link.com/us/support/faq/4935/

    f23511db-6c3e-4e32-a477-6aa17d310630 - Patch, Vendor Advisory

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.