CVE-2026-11554: Least Privilege Violation in TOTOLINK CP450
CVE-2026-11554 is a medium-severity vulnerability in TOTOLINK CP450 version 4. 1. 0cu. 747 involving a least privilege violation related to the vsftpd component configuration file /etc/vsftpd. conf. The vulnerability can be exploited remotely without user interaction. Although the exploit has been publicly disclosed, there are no confirmed reports of exploitation in the wild. No official patch or remediation guidance has been provided by the vendor at this time.
AI Analysis
Technical Summary
This vulnerability affects TOTOLINK CP450 firmware version 4.1.0cu.747, specifically an unknown code issue in the vsftpd component's configuration file (/etc/vsftpd.conf). The flaw allows an attacker to perform actions that violate the principle of least privilege, potentially escalating privileges remotely without requiring user interaction. The CVSS 4.0 base score is 5.3, indicating medium severity. The vulnerability has been publicly disclosed, but no official fix or mitigation has been documented.
Potential Impact
The vulnerability allows remote attackers to bypass least privilege restrictions, potentially enabling unauthorized actions with elevated privileges on the affected device. This could lead to unauthorized access or control over certain functions of the TOTOLINK CP450 device. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation has been provided, users should monitor vendor communications for updates. Until a patch is available, restricting remote access to the device and limiting exposure to untrusted networks may reduce risk.
CVE-2026-11554: Least Privilege Violation in TOTOLINK CP450
Description
CVE-2026-11554 is a medium-severity vulnerability in TOTOLINK CP450 version 4. 1. 0cu. 747 involving a least privilege violation related to the vsftpd component configuration file /etc/vsftpd. conf. The vulnerability can be exploited remotely without user interaction. Although the exploit has been publicly disclosed, there are no confirmed reports of exploitation in the wild. No official patch or remediation guidance has been provided by the vendor at this time.
CVSS v4.0
Score 5.3medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects TOTOLINK CP450 firmware version 4.1.0cu.747, specifically an unknown code issue in the vsftpd component's configuration file (/etc/vsftpd.conf). The flaw allows an attacker to perform actions that violate the principle of least privilege, potentially escalating privileges remotely without requiring user interaction. The CVSS 4.0 base score is 5.3, indicating medium severity. The vulnerability has been publicly disclosed, but no official fix or mitigation has been documented.
Potential Impact
The vulnerability allows remote attackers to bypass least privilege restrictions, potentially enabling unauthorized actions with elevated privileges on the affected device. This could lead to unauthorized access or control over certain functions of the TOTOLINK CP450 device. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary mitigation has been provided, users should monitor vendor communications for updates. Until a patch is available, restricting remote access to the device and limiting exposure to untrusted networks may reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-08T05:45:35.473Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2703fbe29bf47b505ca074
Added to database: 6/8/2026, 6:03:39 PM
Last enriched: 6/8/2026, 6:18:49 PM
Last updated: 6/8/2026, 7:06:43 PM
Views: 3
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