PatchTheCVECVE-2026-25293: Buffer overflow due to incorrect authorization in PLC FW
CVE-2026-25293 is a critical-severity flaw (CVSS 9.6) affecting qca7005 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Buffer overflow due to incorrect authorization in PLC FW
Why this priority
- Critical severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.6 (Critical) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2026-05-04 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
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-2026-25293?
qca7005 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2026-25293 being exploited?
CVE-2026-25293 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-2026-25293 affect?
CVE-2026-25293 affects qca7005 firmware. Severity is critical (CVSS 9.6). Buffer overflow due to incorrect authorization in PLC FW
How urgent is CVE-2026-25293?
Priority 36/100. Critical severity