CVE-2022-40225 Denial of service in SIPLUS TIM 1531 IRC

Medium 6.9 Published Updated

An attacker can cause a denial of service on Siemens TIM 1531 IRC devices by triggering a floating point exception via internal value casting.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2022-40225?

CVE-2022-40225 is a medium-severity denial of service vulnerability in Siemens SIPLUS TIM 1531 IRC, published on 11 Jun 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-681

Which versions are affected by CVE-2022-40225?

It affects 1 product.

Products include Siemens Siplus Tim 1531 Irc Firmware.

How do I fix CVE-2022-40225?

No fix has been published for CVE-2022-40225 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-40225 being exploited?

There is no known exploitation of CVE-2022-40225 in the wild and no public exploit code.

Sources

Also known as GHSA-7xr5-w5mj-r2jm.

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