CVE-2026-51725
CriticalCVSS 9.1Summary
The NTPSyncWithHost function in TOTOLINK T6 4.1.5cu.748_B20211015 has incorrect access control, allowing unauthenticated attackers to change the device clock via a crafted POST request to /cgi-bin/cstecgi.cgi.
Risk Assessment
An attacker can change the device system time, potentially disrupting logs, certificates, and other time-dependent functions.
Recommendation
Update TOTOLINK T6 firmware to the latest version if available. Restrict access to the admin panel and CGI interface.
Other vulnerabilities in TOTOLINK T6
See all- CVE-2026-51740Unknown
Incorrect access control in the killProcess function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to terminate critical services via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51739Unknown
Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51738Unknown
Incorrect access control in the LoadDefSettings function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reset the device configuration and reboot the device via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51737Unknown
Incorrect access control in the clearTracerouteLog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to erase traceroute logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51736Unknown
Incorrect access control in the clearSyslog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to erase system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51735Unknown
Incorrect access control in the showSyslog function of TOTOLINK T6 allows unauthenticated attackers to retrieve recent system logs by sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51734Unknown
Incorrect access control in the informSlaveUpdate function of TOTOLINK T6 allows unauthenticated attackers to trigger mesh slave update coordination by sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51733Unknown
Incorrect access control in the FirmwareUpgrade function of TOTOLINK T6 allows unauthenticated attackers to remove Wi-Fi schedule entries by sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51732Unknown
Incorrect access control in the delWiFiScheduleCfg function of TOTOLINK T6 allows unauthenticated attackers to remove Wi-Fi schedule entries by sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- CVE-2026-51731Unknown
Incorrect access control in the delVlanCfg function of TOTOLINK T6 allows unauthenticated attackers to remove VLAN entries by sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Original NVD description (English source)
Incorrect access control in the NTPSyncWithHost function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change the device clock via sending a crafted POST request to /cgi-bin/cstecgi.cgi.