CVE-2022-46140 Weak cryptography in RUGGEDCOM RM1224 LTE(4G) EU

High 7.1 Published 13 Dec 2022 Updated 21 Apr 2025

An authenticated attacker can decrypt debug zip files to retrieve sensitive system information due to weak encryption.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-46140?

CVE-2022-46140 is a high-severity vulnerability in Siemens RUGGEDCOM RM1224 LTE(4G) EU, published on 13 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Affected devices use a weak encryption scheme to encrypt the debug zip file. This could allow an authenticated attacker to decrypt the contents of the file and retrieve debug information about the system.

Weakness: CWE-327

Which versions are affected by CVE-2022-46140?

It affects 101 products.

Products include Siemens Ruggedcom Rm1224 Lte\(4g\) Eu Firmware, Siemens Ruggedcom Rm1224 Lte\(4g\) Nam Firmware, Siemens Scalance M804pb Firmware, Siemens Scalance M812-1 Adsl-Router Firmware, Siemens Scalance M816-1 Adsl-Router Firmware, Siemens Scalance M826-2 Shdsl-Router Firmware and 95 more.

How do I fix CVE-2022-46140?

No fix has been published for CVE-2022-46140 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-46140 being exploited?

There is no known exploitation of CVE-2022-46140 in the wild and no public exploit code.

Sources

Also known as GHSA-39hc-9gp8-p9wh.