EUVD-2026-68531

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

CVE-2026-51668

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

CVE-2026-51668

The TOTOLINK T6 wireless dual-band Mesh router (firmware version 4.1.5cu.748_B20211015 ) is susceptible to an improper access control vulnerability in the setLanguageCfg function. An unauthenticated attacker can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint t...

PT-2026-83723

Undertow is a flexible performant web server used in JBoss EAP and WildFly. A flaw was found in how Undertow handles WebSocket connections. Specifically, certain configuration limits like message buffer sizes and session timeouts cannot be adjusted and default to being unlimited. This allows a...

CVE-2026-73819: Weak Authentication

The affected Ebyte product's vendor configuration utility permits access to administrative functions without verifying the operator's identity under certain credential conditions. An unauthenticated attacker on the adjacent network could modify critical settings or change access credentials,...

CVE-2026-51683: Improper Access Control

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

CVE-2026-77975: Cleartext Storage of Sensitive Information

The affected Ebyte product exports administrative credentials and other sensitive configuration information without adequate protection. An unauthenticated attacker on the adjacent network who can obtain an exported configuration file could recover valid credentials and use them to access the...

CVE-2026-77966: Missing Authorization

The affected Ebyte product does not provide separation between limited and administrative management functions. A low privileged authenticated attacker could access security sensitive configuration functions and modify settings that affect the confidentiality, integrity, or availability of the...

PT-2026-83888

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

CVE-2026-51680

The TOTOLINK T6 (firmware version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control flaw in the setLedCfg function. This allows unauthenticated attackers to modify the device's LED behavior by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. Exploitation det...

CVE-2026-51697

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...

PT-2026-83977

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

CVE-2026-51738

Incorrect access control in the LoadDefSettings function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reset the device configuration and reboot the device via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51738: Improper Access Control

Incorrect access control in the LoadDefSettings function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reset the device configuration and reboot the device via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83826

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

CVE-2026-51697

TOTOLINK T6 hardware running firmware version 4.1.5cu.748_B20211015 is vulnerable to an incorrect access control flaw in the setIptvCfg function. This vulnerability allows unauthenticated attackers to modify IPTV service configurations by sending a crafted POST request to the /cgi-bin/cstecgi.cgi...

PT-2026-83877

The affected Ebyte product's vendor configuration utility permits access to administrative functions without verifying the operator's identity under certain credential conditions. An unauthenticated attacker on the adjacent network could modify critical settings or change access credentials,...

PT-2026-83830

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

CVE-2026-51683

The TOTOLINK T6 wireless dual-band Mesh router, running firmware version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the setLanCfg function. An unauthenticated attacker can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. This v...

PT-2026-83811

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