CVE-2025-44655: Totolink a7100ru Firmware

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

In TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9, the chroot_local_user option is enabled in the vsftpd.conf. This could lead to unauthorized access to system files, privilege escalation, or use of the compromised server as a pivot point for internal network attacks.

Affected products

• Totolink a7100ru Firmware: version 7.4 only
• Totolink a950rg Firmware: version 5.9 only
• Totolink t10 Firmware: version 5.9 only

Published 2025-07-21. Last modified 2026-07-05.