CVE-2026-35085: Mbs-Solutions Universal Gateway Firmware

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A remote attacker with user privileges can exploit a stack buffer overflow in gdv-serverconfig to gain full system access as root.

Affected products

• Mbs-Solutions Universal Gateway Firmware: before 6_00_07 (fixed in 6_00_07)

Published 2026-06-03. Last modified 2026-07-22.