CVE-2024-35396
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk41th percentile - higher than 41% of all known CVEs
Summary
TOTOLINK CP900L firmware version 4.1.5cu.798_B20221228 contains a hardcoded password for telnet in /web_cste/cgi-bin/product.ini, allowing attackers to log in as root.
Risk Assessment
An attacker can gain full unauthorized administrative access to the device, enabling control over the router, network traffic interception, or using it as an entry point into the internal network.
Recommendation
Immediately update the TOTOLINK CP900L firmware to the latest available version that fixes this vulnerability. If no update is available, disable the telnet service and change the default access password.
Other vulnerabilities in TOTOLINK CP900L
See all- CVE-2024-35398Critical
A stack overflow vulnerability was discovered in TOTOLINK CP900L firmware version 4.1.5cu.798_B20221228. The issue occurs in the setMacFilterRules function via the desc parameter.
- CVE-2024-35397High
A command injection vulnerability was discovered in the TOTOLINK CP900L device running firmware version v4.1.5cu.798_B20221228, specifically in the NTPSyncWithHost function via the hostTime parameter. This allows an attacker to execute arbitrary commands through a crafted request.
- CVE-2024-35401Medium
A command injection vulnerability was discovered in TOTOLINK CP900L firmware version 4.1.5cu.798_B20221228 in the UploadFirmwareFile function via the FileName parameter. An attacker can remotely execute arbitrary system commands.
- CVE-2024-35400Medium
A stack overflow vulnerability was discovered in TOTOLINK CP900L firmware version 4.1.5cu.798_B20221228. The issue occurs in the SetPortForwardRules function via the desc parameter.
- CVE-2024-35399High
A stack overflow vulnerability was discovered in the TOTOLINK CP900L router running firmware v4.1.5cu.798_B20221228. The issue occurs in the loginAuth function via the password parameter.
- CVE-2024-35395High
A hardcoded password vulnerability was discovered in TOTOLINK CP900L firmware v4.1.5cu.798_B20221228 in the /etc/shadow.sample file. This allows attackers to log in as root.
Original NVD description (English source)
TOTOLINK CP900L v4.1.5cu.798_B20221228 was discovered to contain a hardcoded password for telnet in /web_cste/cgi-bin/product.ini, which allows attackers to log in as root.

