HarborGuard / CVE
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HIGHCVE-2026-40830Published Modified CNA CERTVDE

CVE-2026-40830: Authenticated SQLi in UpdateParam function

A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the admin.mbnetj.php files UpdateParam 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 v4.0
7.0
Severity
HIGH
Fixed in
Affected Products
8
Affected packages
  • MB connect line / mbCONNECT24
    ≤ 2.20.0
  • MB connect line / mymbCONNECT24
    ≤ 2.20.0
  • MB connect line / mbCONNECT24
    2.20.0
  • MB connect line / mymbCONNECT24
    2.20.0
  • Helmholz / myREX24V2
    ≤ 2.20.0
  • Helmholz / myREX24V2.virtual
    ≤ 2.20.0
  • Helmholz / myREX24V2
    2.20.0
  • Helmholz / myREX24V2.virtual
    2.20.0
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
References