Least Privilege Violation in TOTOLINK CP450 Product by TOTOLINK
CVE-2026-11554

5.3MEDIUM

Key Information:

Vendor

Totolink
Status
Cp450
Vendor
CVE Published:
8 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11554?

A vulnerability has been identified in the TOTOLINK CP450 version 4.1.0cu.747, specifically within the vsftpd configuration file located at /etc/vsftpd.conf. This issue can lead to a least privilege violation, allowing remote attackers to manipulate system configurations without proper authorization. The exploit for this vulnerability has been publicly disclosed, which raises significant concerns regarding the security posture of systems running this affected version.

Affected Version(s)

CP450 4.1.0cu.747

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-11554 - Proof of Concept

References

https://vuldb.com/vuln/369164
vdb-entry
https://vuldb.com/vuln/369164/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11554
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

L-14 (VulDB User)
.