CVE-2026-40823 HIGH

CVE-2026-40823: Authenticated SQLi in DevSerialReset function

Vendor Mb Connect Line
Product mbCONNECT24
Weakness CWE-89 · SQLi
Published May 27, 2026
Last update May 27, 2026

CVSS base score

7.0/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 27, 2026 CVE published
May 27, 2026 Record updated