CVE-2023-42771: Furunosystems Acera 1310 Firmware

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Authentication bypass vulnerability in ACERA 1320 firmware ver.01.26 and earlier, and ACERA 1310 firmware ver.01.26 and earlier allows a network-adjacent unauthenticated attacker who can access the affected product to download configuration files and/or log files, and upload configuration files and/or firmware. They are affected when running in ST(Standalone) mode.

Affected products

• Furunosystems Acera 1310 Firmware: up to and including 01.26
• Furunosystems Acera 1320 Firmware: up to and including 01.26

Published 2023-10-03. Last modified 2026-06-17.