CVE-2023-31728: Teltonika-Networks RUT240 Firmware

High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days.

Teltonika RUT240 devices with firmware before 07.04.2, when bridge mode is used, sometimes make SSH and HTTP services available on the IPv6 WAN interface even though the UI shows that they are only available on the LAN interface.

Affected products

• Teltonika-Networks RUT240 Firmware: before 00.07.04.2 (fixed in 00.07.04.2)

Published 2024-02-17. Last modified 2026-06-17.