MB connect line/Helmholz: tmp directory exposed via webservice
Priority MEDIUM 40CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
An unauthenticated remote attacker can get read access to files in the "/tmp" directory due to missing authentication.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00626 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
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.mini | 0.0.0 – 2.2.13 | — | No fix listed | CNA |
| Helmholz | REX100 | 0.0.0 – 2.2.13 | — | No fix listed | CNA |
- mbNET.mini VendorMB connect line Affected 0.0.0 – 2.2.13 Fixed in — No fix listed CNA
- REX100 VendorHelmholz Affected 0.0.0 – 2.2.13 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mbconnectline:mbnet.mini_firmware:*:*:*:*:*:*:*:* | before 2.3.1 | Vulnerable | MB connect line |
| cpe:2.3:h:mbconnectline:mbnet.mini:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MB connect line |
| cpe:2.3:o:helmholz:rex_100_firmware:*:*:*:*:*:*:*:* | before 2.3.1 | Vulnerable | Helmholz |
| cpe:2.3:h:helmholz:rex_100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Helmholz |
- cpe:2.3:o:mbconnectline:mbnet.mini_firmware:*:*:*:*:*:*:*:* Versions before 2.3.1 Vulnerable ·MB connect line
- cpe:2.3:h:mbconnectline:mbnet.mini:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MB connect line
- cpe:2.3:o:helmholz:rex_100_firmware:*:*:*:*:*:*:*:* Versions before 2.3.1 Vulnerable ·Helmholz
- cpe:2.3:h:helmholz:rex_100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Helmholz
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-45276
- 2026-10-03 Alias added: GHSA-wr93-5pfw-4c2v
- 2026-10-31 EPSS moved to the 50th–90th percentile
References
More MB connect line Mbnet.mini Firmware vulnerabilities
- TI-2024-30346 MB connect line/Helmholz: Remote code execution via confnet service 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-2025-27643 Unauthenticated Buffer Overflow in Conftool Service Leading to Denial of Service CVSS 3.1HIGH 7.5
- TI-2024-30343 MB connect line/Helmholz: Remote code execution due to improper input validation CVSS 3.1HIGH 8.4
- TI-2024-30345 MB connect line/Helmholz: Weak encryption of configuration file CVSS 3.1HIGH 8.4
- TI-2025-27642 SQL Injection via POST Requests Allowing Configuration Database Manipulation CVSS 3.1HIGH 7.2
Sources
- CVE-2024-45276 · CVE Program
- CVE-2024-45276 · NVD
- FIRST EPSS
- GHSA-wr93-5pfw-4c2v · 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