Vulnerability Description
The ONVIF service on the E3 can be rendered unresponsive by sending malformed or incomplete requests to certain operations. The affected service stops accepting new connections while the rest of the device continues operating normally, and will recover automatically after a period. This can be triggered repeatedly by any unauthenticated party with network access to the device.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-29
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-295-01
- https://www.kiloview.com/en/download/e3-firmware-downloadlatest-12/
FAQ
What is CVE-2026-110491?
CVE-2026-110491 is a vulnerability with a CVSS score of 7.5 (HIGH). The ONVIF service on the E3 can be rendered unresponsive by sending malformed or incomplete requests to certain operations. The affected service stops accepting new connections while the rest of the d...
How severe is CVE-2026-110491?
CVE-2026-110491 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-110491?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.