CVE-2023-31277: Piigab M-Bus 900s Firmware

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

PiiGAB M-Bus transmits credentials in plaintext format.

Affected products

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

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