What’s Vulnerable › Vulnerabilities

CVE-2026-40852: Command injection via malicious configuration

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-10-26
• Weakness: CWE-78

Description

A highly authenticated attacker can alter the config generator injecting a payload into future created configurations. The device is not correctly checking this configuration value before passing it to an system execute leading to code execution. This can result in a total loss of confidentiality, integrity and availability.

Affected products

• Helmholz REX100: through 3.0.2; 3.0.2
• Helmholz REX200/250: through 8.4.4; 8.4.4
• MB connect line mbNET.mini: through 3.0.2; 3.0.2
• MB connect line mbNET/mbNET.rokey: through 8.4.4; 8.4.4

References

• https://www.certvde.com/en/advisories/VDE-2026-054/

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