CVE-2026-78168: Efm Iptime t24000m

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A security vulnerability has been detected in EFM ipTIME T24000M up to 14.20.0. This affects the function httpcon_check_session_url of the component Session Validation Handler. Such manipulation leads to improper authentication. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Efm Iptime t24000m: version 14.0 only; version 14.1 only; version 14.2 only; version 14.3 only; version 14.4 only; version 14.5 only; …

Published 2026-08-24. Last modified 2026-08-27.