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CVE-2026-11620 TOTOLINK CVE debrief

A security flaw has been discovered in TOTOLINK EX200 4.0.3c.7646. This affects an unknown function of the file /etc/vsftpd.conf of the component vsftpd. The manipulation results in least privilege violation. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Vendor
TOTOLINK
Product
EX200
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Users of TOTOLINK EX200 4.0.3c.7646

Technical summary

The vulnerability affects the vsftpd component of TOTOLINK EX200 4.0.3c.7646, specifically an unknown function of the file /etc/vsftpd.conf. The vulnerability allows for a least privilege violation and can be exploited remotely.

Defensive priority

Medium

Recommended defensive actions

  • Apply patches or updates provided by the vendor to fix the vulnerability.
  • Restrict access to the vsftpd component to prevent remote exploitation.
  • Monitor the system for suspicious activity.

Evidence notes

The vulnerability has been publicly disclosed and an exploit has been released.

Official resources

CVE-2026-11620 was published on 2026-06-09T03:16:26.043Z and modified on 2026-06-09T13:33:34.393Z.