CVE-2026-11554: totolink cp450_firmware Incorrect Privilege Assignment

Vulnerability summary

CVE-2026-11554 is a medium (CVSS 5.3) Incorrect Privilege Assignment vulnerability in totolink cp450_firmware. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 08-06-2026
   PublishedVulnerability first disclosed.
2. 09-06-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was determined in TOTOLINK CP450 4.1.0cu.747. This vulnerability affects unknown code of the file /etc/vsftpd.conf of the component vsftpd. This manipulation causes least privilege violation. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

• CWE-266Incorrect Privilege AssignmentA product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.
• CWE-272Least Privilege ViolationThe elevated privilege level required to perform operations such as chroot() should be dropped immediately after the operation is performed.