Privilege escalation in Totolink A7100ru

CVE-2025-44655

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 poin…

EPSS: 0.003 (26.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-44655?
CVE-2025-44655 is a critical-severity vulnerability in Totolink A7100ru, classified under Incorrect Privilege Assignment. CVSS score: 9.8/10. Published 2025-07-21.
How severe is CVE-2025-44655?
Critical severity. CVSS v3 base score is 9.8 out of 10.