CVE-2026-40823 PUBLISHED

Authenticated SQLi in DevSerialReset function

Assigner: CERTVDE
Reserved: 15.04.2026 Published: 27.05.2026 Updated: 27.05.2026

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 UPDATE command allowing for reading the whole database and changing values in a non critical table. This can result in a total loss of confidentiality and some loss of integrity.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 7

Product Status

Vendor MB connect line
Product mbCONNECT24
Versions Default: unaffected
  • affected from 0.0.0 to 2.20.0 (incl.)
Vendor MB connect line
Product mymbCONNECT24
Versions Default: unaffected
  • affected from 0.0.0 to 2.20.0 (incl.)
Vendor MB connect line
Product mbCONNECT24
Versions Default: unaffected
  • Version 2.20.0 is affected
Vendor MB connect line
Product mymbCONNECT24
Versions Default: unaffected
  • Version 2.20.0 is affected
Vendor Helmholz
Product myREX24V2
Versions Default: unaffected
  • affected from 0.0.0 to 2.20.0 (incl.)
Vendor Helmholz
Product myREX24V2.virtual
Versions Default: unaffected
  • affected from 0.0.0 to 2.20.0 (incl.)
Vendor Helmholz
Product myREX24V2
Versions Default: unaffected
  • Version 2.20.0 is affected
Vendor Helmholz
Product myREX24V2.virtual
Versions Default: unaffected
  • Version 2.20.0 is affected

References

Problem Types

  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE