PatchTheCVECVE-2026-9030: A denial-of-service vulnerability exists in httpd service on Archer A6 v4 where the asynchronous systool instr
CVE-2026-9030 is a medium-severity flaw (CVSS 6.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 man
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.8 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 91%) |
| CISA exploited list | No |
| Weakness | CWE-362 |
| Published | 2026-08-07 |
| Last modified | 2026-10-24 |
Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-9030?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-9030 being exploited?
CVE-2026-9030 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-9030 affect?
CVE-2026-9030 affects affected software. Severity is medium (CVSS 6.8). 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 craft
How urgent is CVE-2026-9030?
Priority 26/100. No elevated risk signals yet.
Software pages
Apache HTTP Server vulnerabilities