CVE-2026-78167: Efm Iptime t16000m

Critical severity, CVSS 10.0. EPSS: 1.5% chance of exploitation in the next 30 days.

A weakness has been identified in EFM ipTIME T16000M 14.20.2. The impacted element is the function httpcon_check_session_url of the component Session Validation Handler. This manipulation causes improper authentication. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Efm Iptime t16000m: version 14.20.2 only

Published 2026-08-24. Last modified 2026-08-24.