CVE-2023-31808: Technicolor TG670 Firmware

High severity, CVSS 7.2. EPSS: 0.6% chance of exploitation in the next 30 days.

Technicolor TG670 10.5.N.9 devices contain multiple accounts with hard-coded passwords. One account has administrative privileges, allowing for unrestricted access over the WAN interface if Remote Administration is enabled.

Affected products

• Technicolor TG670 Firmware: version 10.5.n.9 only

Published 2023-09-19. Last modified 2026-06-17.