CVE-2026-82597

A command injection vulnerability exists in TOTOLINK NR1800X (version 9.1.0u.6681_B20230703), specifically in the setUssd function of /cgi-bin/cstecgi.cgi . Manipulating the ussd argument allows a remote attacker with low privileges to inject arbitrary commands. The attack requires no user intera...

PT-2026-83829

Incorrect access control in the setRemoteCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to expose WAN-side administration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68544

Incorrect access control in the setRemoteCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to expose WAN-side administration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68592

Incorrect access control in the setIptvCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter IPTV service configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68512

Incorrect access control in the getWiFiIpMacTable function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain Wi-Fi client MAC-to-IP mappings via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83932

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the UploadFirmwareFile function allows unauthenticated attackers to upload a crafted firmware image. This is achieved by sending a crafted POST request to the...

CVE-2026-51708

Incorrect access control in the setWiFiWpsCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to change WPS availability via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51723

Incorrect access control in the UploadCustomModule function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to install a custom CGI module via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83862

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setMacFilterRules function allows unauthenticated attackers to modify device access control. This is achieved by sending a specially crafted POST request to...

PT-2026-83960

Incorrect access control in the delVlanCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to remove VLAN entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68676

Incorrect access control in the delUrlFilterRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove URL filtering rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51734: Improper Access Control

Incorrect access control in the informSlaveUpdate function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger mesh slave update coordination via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83645

A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681 B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used...

CVE-2026-82616: Stack-based Buffer Overflow

A vulnerability was found in TOTOLINK NR1800X 9.1.0u.6681B20230703. Impacted is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public a...

CVE-2026-51724: Improper Access Control

Incorrect access control in the delSmartQosCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove Smart QoS rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51740: Improper Access Control

Incorrect access control in the killProcess function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to terminate critical services via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51676: Improper Access Control

Incorrect access control in the setAccessDeviceCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter access-device policies via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51669: Improper Access Control

Incorrect access control in the getPairCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain pairing and mesh-slave configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51700: Improper Access Control

Incorrect access control in the setWiFiAdvancedCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to degrade wireless behavior via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51713: Improper Access Control

Incorrect access control in the setManualDialCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to manipulate WAN dial state via sending a crafted POST request to /cgi-bin/cstecgi.cgi...