CVE-2023-35830

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-29 · updated 2026-06-17
Weakness: CWE-306

Description

STW (aka Sensor-Technik Wiedemann) TCG-4 Connectivity Module DeploymentPackage_v3.03r0-Impala and DeploymentPackage_v3.04r2-Jellyfish and TCG-4lite Connectivity Module DeploymentPackage_v3.04r2-Jellyfish allow an attacker to gain full remote access with root privileges without the need for authentication, giving an attacker arbitrary remote code execution over LTE / 4G network via SMS.

Affected products

Stw-Mobile-Machines Tcg-4 Firmware: 3.01r1, 3.02r0, 3.03r0, 3.04r2
Stw-Mobile-Machines Tcg-4Lite Firmware: 3.04r2

References

https://www.stw-mobile-machines.com/fileadmin/user_upload/content/STW/PSIRT/STW-IR-23-001.pdf
https://www.stw-mobile-machines.com/psirt/
https://www.stw-mobile-machines.com/fileadmin/user_upload/content/STW/PSIRT/STW-IR-23-001.pdf
https://www.stw-mobile-machines.com/psirt/

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