CVE-2024-33109: Ergophone Tiptel IP 286 Firmware

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Directory Traversal in the web interface of the Tiptel IP 286 with firmware version 2.61.13.10 allows attackers to overwrite arbitrary files on the phone via the Ringtone upload function.

Affected products

• Ergophone Tiptel IP 286 Firmware: up to and including 2.61.13.10
• Yealink SIP-t28p Firmware: up to and including 2.61.13.10

Published 2024-09-19. Last modified 2026-07-05.