MB connect line/Helmholz: Remote code execution due to improper input validation
An unauthenticated local attacker can gain admin privileges by deploying a config file due to improper input validation.
- Published
- Oct 15, 2024
- Updated
- Jun 17, 2026
- EPSS
- 0.3% · 22th percentile
- CWE
- CWE-94
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 31 / 40 · 7.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 7.8
- CNA · CERTVDE
- 8.4
- 0.6 point gap
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| mbconnectline | mbnet.mini firmware | cpe:2.3:o:mbconnectline:mbnet.mini_firmware |
| mbconnectline | mbnet.mini | cpe:2.3:h:mbconnectline:mbnet.mini |
| helmholz | rex 100 firmware | cpe:2.3:o:helmholz:rex_100_firmware |
| helmholz | rex 100 | cpe:2.3:h:helmholz:rex_100 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- helmholz rex 100 firmwarebefore 2.3.1
- mbconnectline mbnet.mini firmwarebefore 2.3.1
Versions reported by the vendor
Affected version ranges reported by the assigning authority (CERTVDE). Independent of NVD's CPE analysis and usually ahead of it.
Helmholz REX100
- 0.0.0 and later · up to and including 2.2.13affected · semver
MB connect line mbNET.mini
- 0.0.0 and later · up to and including 2.2.13affected · semver
Same product
mbconnectline: all recordsOther highest-scoring records for the same primary product.
- CVE-2024-45275MB connect line/Helmholz: Hardcoded user accounts with hard-coded passwords39Monitor
- CVE-2024-45274MB connect line/Helmholz: Remote code execution via confnet service39Monitor
- CVE-2024-45273MB connect line/Helmholz: Weak encryption of configuration file31Monitor
- CVE-2025-41679Unauthenticated Buffer Overflow in Conftool Service Leading to Denial of Service30Monitor
- CVE-2024-45276MB connect line/Helmholz: tmp directory exposed via webservice30Monitor
- CVE-2025-41678SQL Injection via POST Requests Allowing Configuration Database Manipulation28Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- SySS GmbHreporter
- Moritz AbrellSySS GmbHfinder
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
—
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
- CVE-2024-452740 days apartMB connect line/Helmholz: Remote code execution via confnet service39Monitor
- CVE-2024-452760 days apartMB connect line/Helmholz: tmp directory exposed via webservice30Monitor
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-94 · Improper Control of Generation of Code ('Code Injection')CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- cert.vde.com/en/advisories/VDE-2024-056
- cert.vde.com/en/advisories/VDE-2024-066
- www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2024-059.txt
Vendor advisories and official records. Exploit/PoC links are deliberately left out.