Vulnerability · Published Jul 31, 2025 · Assigned by CERTVDE
CVE-2025-41688High Privilege RCE via LUA Sandbox Escape
High 7.2
In plain English
A high-severity security flaw in REX 200/250 from Helmholz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.8%top 44.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A high privileged remote attacker can execute arbitrary OS commands using an undocumented method allowing to escape the implemented LUA sandbox.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MB connect line | mbNET HW1 | 0.0.0 – through 5.1.11 |
| MB connect line | mbNET/mbNET.rokey | 0.0.0 – before 7.3.0 |
| Helmholz | REX 300 | 0.0.0 – through 5.1.11 |
| Helmholz | REX 200/250 | 0.0.0 – before 7.3.0 |
Weakness: CWE-653 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H