CVE-2026-40830 — MEDIUM (5.5)

Vulnerability Description

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.

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-89

References

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

FAQ

What is CVE-2026-40830?

CVE-2026-40830 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...

How severe is CVE-2026-40830?

CVE-2026-40830 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40830?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.