Vulnerability Description
A denial-of-service vulnerability exists in httpd service on Archer A6 v4 where the asynchronous systool instruction handlng path in httpd does not properly synchronize or safely manage concurrent systool operations. By sending crafted systool instructions through the asynchronous request path, successful exploitation may cause the httpd process or device management service to crash and may result in temporary loss of access to the web management interface or device reboot.
Related Weaknesses (CWE)
References
- https://www.tp-link.com/en/support/download/archer-a6/v4/#Firmware
- https://www.tp-link.com/en/support/faq/5234/
- https://www.tp-link.com/us/support/download/archer-a6/v4/#Firmware
FAQ
What is CVE-2026-9030?
CVE-2026-9030 is a documented vulnerability. A denial-of-service vulnerability exists in httpd service on Archer A6 v4 where the asynchronous systool instruction handlng path in httpd does not properly synchronize or safely manage concurrent sys...
How severe is CVE-2026-9030?
CVSS scoring is not yet available for CVE-2026-9030. Check NVD for updates.
Is there a patch for CVE-2026-9030?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.