CVE-2025-26412 Undocumented Root Shell Access in SIMCom SIM7600G Modem
An attacker with physical or local shell access can execute arbitrary commands as root on the SIMCom SIM7600G modem via an undocumented AT command.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-26412?
CVE-2025-26412 is a medium-severity authentication bypass vulnerability in SIMCom SIM7600G Modem, published on 11 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The SIMCom SIM7600G modem supports an undocumented AT command, which allows an attacker to execute system commands with root permission on the modem. An attacker needs either physical access or remote shell access to a device that interacts directly with the modem via AT commands.
Weakness: CWE-912
Which versions are affected by CVE-2025-26412?
How do I fix CVE-2025-26412?
No fix has been published for CVE-2025-26412 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-26412 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-26412 exists.
Sources
Also known as GHSA-ww23-g4h9-82c4.