CVE-2026-9543
CriticalCVSS 9.8Exploitation Probability (EPSS)
High risk80th percentile - higher than 80% of all known CVEs
Summary
A vulnerability in the Totolink N300RH router version 6.1c.1353_B20190305 allows a remote attacker to inject OS commands via the admpass argument in the setPasswordCfg function of the web management interface.
Risk Assessment
Risk of remote compromise of the router, potentially leading to network security breaches and traffic interception.
Recommendation
Update the router firmware to the latest version if available. Restrict access to the management interface to trusted networks only.
Other vulnerabilities in Totolink N300RH
See all- CVE-2026-10187Critical
Totolink N300RH router with firmware 6.1c.1353_B20190305 has a stack-based buffer overflow vulnerability in the setWiFiBasicConfig function of the wireless.so file. An attacker can exploit this remotely via the KeyStr argument.
- CVE-2026-7633Medium
A vulnerability was identified in Totolink N300RH 6.1c.1353_B20190305. It affects the setUploadSetting function in /cgi-bin/cstecgi.cgi. Manipulation of the FileName argument leads to file inclusion. The attack may be performed remotely, and the exploit is publicly available and might be used.
Original NVD description (English source)
A vulnerability has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument admpass leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS