What’s Vulnerable › Vulnerabilities

CVE-2026-40822: Authenticated SQLi in DevSerialReset function

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% 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-89

Description

A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the DevSerialReset function due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

Affected products

• Helmholz myREX24V2: through 2.20.0; 2.20.0
• Helmholz myREX24V2.virtual: through 2.20.0; 2.20.0
• MB connect line mbCONNECT24: through 2.20.0; 2.20.0
• MB connect line mymbCONNECT24: through 2.20.0; 2.20.0

References

• https://www.certvde.com/en/advisories/VDE-2026-044/

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