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. The exploit has been publicly disclosed but no official patch or remediation guidance has been provided by the vendor.
AI Analysis
Technical Summary
This vulnerability affects TOTOLINK CP450 version 4.1.0cu.747 and involves a least privilege violation caused by manipulation of the vsftpd configuration file /etc/vsftpd.conf. The vulnerability allows an attacker to initiate an attack remotely, potentially escalating privileges beyond intended limits. The CVSS 4.0 base score is 5.3, indicating medium severity. No official remediation or patch is currently documented, and the exploit has been publicly disclosed.
Potential Impact
An attacker can remotely exploit this vulnerability to violate least privilege constraints in the vsftpd component of TOTOLINK CP450 4.1.0cu.747. This could allow unauthorized actions or access beyond the intended privilege level, potentially compromising device security or functionality. The exact impact depends on the privileges gained and subsequent attacker actions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is documented, users should monitor vendor communications for updates. Until a patch is available, consider restricting remote access to the affected device and vsftpd service to trusted networks only.
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. The exploit has been publicly disclosed but no official patch or remediation guidance has been provided by the vendor.
CVSS v4.0
Score 5.3medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects TOTOLINK CP450 version 4.1.0cu.747 and involves a least privilege violation caused by manipulation of the vsftpd configuration file /etc/vsftpd.conf. The vulnerability allows an attacker to initiate an attack remotely, potentially escalating privileges beyond intended limits. The CVSS 4.0 base score is 5.3, indicating medium severity. No official remediation or patch is currently documented, and the exploit has been publicly disclosed.
Potential Impact
An attacker can remotely exploit this vulnerability to violate least privilege constraints in the vsftpd component of TOTOLINK CP450 4.1.0cu.747. This could allow unauthorized actions or access beyond the intended privilege level, potentially compromising device security or functionality. The exact impact depends on the privileges gained and subsequent attacker actions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is documented, users should monitor vendor communications for updates. Until a patch is available, consider restricting remote access to the affected device and vsftpd service to trusted networks only.
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: 06/08/2026, 18:03:39 UTC
Last enriched: 06/16/2026, 08:44:55 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 55
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