CVE-2023-33868: Piigab M-Bus 900s Firmware

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

The number of login attempts is not limited. This could allow an attacker to perform a brute force on HTTP basic authentication.

Affected products

• Piigab M-Bus 900s Firmware: affected versions not specified

Published 2023-07-06. Last modified 2026-06-17.