CVE-2022-40225

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-10 · updated 2026-06-17
Weakness: CWE-681

Description

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

How to fix

Upgrade to a fixed version: Siemens Siplus Tim 1531 Irc Firmware 2.4.8. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/html/ssa-337522.html
https://cert-portal.siemens.com/productcert/html/ssa-337522.html

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