CVE-2025-44655 – TOTOLink vsftpd Chroot Local User Privilege Escalation Vulnerability

The following table lists the changes that have been made to the
CVE-2025-44655 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • CVE Modified
    by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 22, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-266
  • New CVE Received
    by [email protected]

    Jul. 21, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference http://totolink.com
    Added Reference https://gist.github.com/TPCchecker/d7306649f51ca25e22dd6532546a58f3
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