vsftpd Configuration Vulnerability in TOTOLink Routers
CVE-2025-44655

9.8CRITICAL

Key Information:

Vendor

TOTOLink
Status
A7100RU, A950RG, T10
Vendor
CVE Published:
21 July 2025

What is CVE-2025-44655?

TOTOLink routers including models A7100RU, A950RG, and T10 are affected by a misconfiguration in vsftpd, where the chroot_local_user option is enabled in vsftpd.conf. This vulnerability allows attackers to gain unauthorized access to system files, potentially escalate their privileges, and could facilitate the use of the compromised router as a launch point for attacks across the internal network.

References

http://totolink.com
https://gist.github.com/TPCchecker/d7306649f51ca25e22dd65...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.