CVE-2022-40225: Siemens Siplus Tim 1531 Irc Firmware

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). Casting an internal value could lead to floating point exception under certain circumstances. This could allow an attacker to cause a denial of service condition on affected devices.

Affected products

• Siemens Siplus Tim 1531 Irc Firmware: before 2.4.8 (fixed in 2.4.8)

Published 2022-11-10. Last modified 2026-06-17.