CVE-2023-35120: Piigab M-Bus 900s Firmware

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

PiiGAB M-Bus is vulnerable to cross-site request forgery. An attacker who wants to execute a certain command could send a phishing mail to the owner of the device and hope that the owner clicks on the link. If the owner of the device has a cookie stored that allows the owner to be logged in, then the device could execute the GET or POST link request.

Affected products

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

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