CVE-2025-44655

CRITICAL

TOTOLink A7100RU V7.4, A950RG V5.9, and T10 V5.9 - Privilege Escalation via vsftpd chroot_local_user Misconfiguration

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2

Scores

CVSS v3 9.8
EPSS 0.0056
EPSS Percentile 68.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-266
Status published
Products (3)
totolink/a7100ru_firmware 7.4
totolink/a950rg_firmware 5.9
totolink/t10_firmware 5.9
Published Jul 21, 2025
Tracked Since Feb 18, 2026