CVE-2026-11554— TOTOLINK CP450 vsftpd vsftpd.conf least privilege violation
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-11554
Vulnerability Information
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Vulnerability Title
TOTOLINK CP450 vsftpd vsftpd.conf least privilege violation
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
最小特权原则违背
Source: NVD (National Vulnerability Database)
Vulnerability Title
TOTOLINK CP450 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK CP450是中国吉翁电子（TOTOLINK）公司的一款户外无线客户终端设备。主要用于提供无线宽带接入服务，尤其适用于农村或偏远地区的无线网络覆盖。 TOTOLINK CP450 4.1.0cu.747版本存在安全漏洞，该漏洞源于vsftpd组件中/etc/vsftpd.conf文件的未知代码操作不当，可能导致违反最小权限原则。攻击者可远程发起攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-11554
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Security Blog Posts for CVE-2026-11554 (1)
IV. Related Vulnerabilities
Same vendor: TOTOLINK
- CVE-2026-11620
TOTOLINK EX200 vsftpd vsftpd.conf least privilege violation - CVE-2026-11494
TOTOLINK AC1200 T8 vsftpd vsftpd.conf least privilege violat - CVE-2026-10187
Totolink N300RH Web Management wireless.so setWiFiBasicConfi - CVE-2026-9543
Totolink N300RH Web Management cstecgi.cgi setPasswordCfg os - CVE-2026-9534
Totolink CA750-PoE Setting cstecgi.cgi setWiFiWpsConfig os c
Same weakness: CWE-272
- CVE-2026-11620
TOTOLINK EX200 vsftpd vsftpd.conf least privilege violation - CVE-2026-11555
D-Link DGS-1100-08PD Web boa.conf least privilege violation - CVE-2026-11497
D-Link DCS-5615 Boa Webserver boa.conf least privilege viola - CVE-2026-11494
TOTOLINK AC1200 T8 vsftpd vsftpd.conf least privilege violat - CVE-2026-11492
D-Link DIR-823G vsftpd vsftpd.conf least privilege violation
V. Comments for CVE-2026-11554
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