CVE-2026-78249: A path traversal vulnerability exists in the web management interface of multiple Multifunction Devices and Pr
CVE-2026-78249 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 path traversal vulnerability exists in the web management interface of multiple Multifunction Devices and Printers, including Apeos C4571 1.1.3 and earlier, Apeos C3567 1.1.3, or other products listed, specifically in the handling of externally supplied parameters. If the device receives a specially crafted, malicious request, it may trigger unintended processing.
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 92%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2026-10-01 |
| Last modified | 2026-10-01 |
Last updated 2026-10-01 · 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-2026-78249?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-78249 being exploited?
CVE-2026-78249 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-2026-78249 affect?
CVE-2026-78249 affects affected software. Severity is medium (CVSS 6.8). A path traversal vulnerability exists in the web management interface of multiple Multifunction Devices and Printers, including Apeos C4571 1.1.3 and earlier, Apeos C3567 1.1.3, or other products listed, specifically in the handling of ext
How urgent is CVE-2026-78249?
Priority 26/100. No elevated risk signals yet.