High Privilege RCE via LUA Sandbox Escape
Priority LOW 35CWE-653Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A high privileged remote attacker can execute arbitrary OS commands using an undocumented method allowing to escape the implemented LUA sandbox.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00756 55th percentileScored 2026-11-07
Fix Fixed mbNET/mbNET.rokey (MB connect line): 7.3.0REX 200/250 (Helmholz): 7.3.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MB connect line | mbNET HW1 | 0.0.0 – 5.1.11 | — | No fix listed | CNA |
| MB connect line | mbNET/mbNET.rokey | 0.0.0 to before 7.3.0 | 7.3.0 | Patch available | CNA |
| Helmholz | REX 300 | 0.0.0 – 5.1.11 | — | No fix listed | CNA |
| Helmholz | REX 200/250 | 0.0.0 to before 7.3.0 | 7.3.0 | Patch available | CNA |
- mbNET HW1 VendorMB connect line Affected 0.0.0 – 5.1.11 Fixed in — No fix listed CNA
- mbNET/mbNET.rokey VendorMB connect line Affected 0.0.0 to before 7.3.0 Fixed in 7.3.0 Patch available CNA
- REX 300 VendorHelmholz Affected 0.0.0 – 5.1.11 Fixed in — No fix listed CNA
- REX 200/250 VendorHelmholz Affected 0.0.0 to before 7.3.0 Fixed in 7.3.0 Patch available CNA
Remediation
- Fix · CNA mbNET/mbNET.rokey (MB connect line) Fixed in 7.3.0
- Fix · CNA REX 200/250 (Helmholz) Fixed in 7.3.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-41688
- 2026-10-03 Alias added: GHSA-c9gc-5qvw-jf2c
- 2026-10-06 EPSS moved to the 50th–90th percentile
References
More MB connect line vulnerabilities
- TI-2024-30346 MB connect line/Helmholz: Remote code execution via confnet service CVSS 3.1CRITICAL 9.8
- TI-2026-25416 Unauthenticated RCE in com_mb24sysapi CVSS 3.1CRITICAL 9.8
- TI-2024-30347 MB connect line/Helmholz: Hardcoded user accounts with hard-coded passwords CVSS 3.1CRITICAL 9.8
- TI-2021-12922 OS Command Injection in mbDIALUP <= 3.9R0.0 CVSS 3.1CRITICAL 9.8
- TI-2024-15924 MB connect line: Cloud API access due to a lack of authentication for a critical function CVSS 3.1CRITICAL 9.1
- TI-2026-25997 MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the setinfo Endpoint CVSS 3.1CRITICAL 9.1
Sources
- CVE-2025-41688 · CVE Program
- CVE-2025-41688 · NVD
- FIRST EPSS
- GHSA-c9gc-5qvw-jf2c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences