No exploitation reported

CVE-2023-35830

No exploitation reported by the sources we read.

Published2023-06-29
WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2023-06-2916:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-35830?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-35830?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP

Stw-mobile-machines tcg-4 firmwareversion to verify

Branch	Affected	Fixed in	Source
3.1	= 3.01r1	no fix published	NVD
3.2	= 3.02r0	no fix published	NVD
3.3	= 3.03r0	no fix published	NVD
3.4	= 3.04r2	no fix published	NVD

Stw-mobile-machines tcg-4

Branch	Affected	Fixed in	Source
3.3	= v3.03r0-Impala	no fix published	CISA-ADP

Stw-mobile-machines tcg-4lite

Branch	Affected	Fixed in	Source
3.4	= v3.04r2-Jellyfish	no fix published	CISA-ADP

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

www.stw-mobile-machines.comVendor Advisory
www.stw-mobile-machines.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-11-27
OpenCVESSVC decisionnone—
NVDCVSS 3.19.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-3062024-11-27
FIRST EPSSEPSS score1.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2023-06-29
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-35830?

Is CVE-2023-35830 actively exploited?

Active exploitation of CVE-2023-35830 has not been confirmed. Its EPSS score was 1.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-35830?

CVE-2023-35830 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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