26 matches found
oieh-router-checker
OIEH Router Checker A Windows program that checks with a single click whether your router is affected by the Chinese backdoor ENDLESSDOORS No installation required · No administrator rights required · No external data transmission What Is This? In August 2026, security firm VulnCheck discovered a...
CVE-2026-74233
Zbtlink WE1326, WE357, WE5926, WE5926-WD, WE826-Q, WE826-T2, WE826-WD, WG108, and WG3526 firmware 19.1101, Zbtlink WE2426-C firmware 19.1112, Zbtlink WE5926-ECQP firmware 20.0516, Zbtlink WF3526-P firmware 19.051, CTN720-W1, LF-1541, and MT7620N firmware 19.1101, and WRC1 firmware 20.0622 contain...
CVE-2026-74232
Zbtlink L3V28 firmware 3.0.0.4.528, Zbtlink WE826-T2 firmware 19.1101, Zbtlink ZBT-7628 firmware 1.0.0.2.007, Zbtlink ZBT-ZBT7621 firmware 1.0.0.3.001, MoreQuick MQAC-7620, MQAC-7620A, MQAP-7620, MQAP-7620A, and MQAP-7628 firmware 1.0.0.2.000, AP522 firmware 1.0.0.2.014, AP7628 and HC5661A firmwa...
CVE-2026-74233 Zbtlink MQWrt infosrvd Command Injection
Zbtlink WE1326, WE357, WE5926, WE5926-WD, WE826-Q, WE826-T2, WE826-WD, WG108, and WG3526 firmware 19.1101, Zbtlink WE2426-C firmware 19.1112, Zbtlink WE5926-ECQP firmware 20.0516, Zbtlink WF3526-P firmware 19.051, CTN720-W1, LF-1541, and MT7620N firmware 19.1101, and WRC1 firmware 20.0622 contain...
EUVD-2026-67000
Zbtlink WE1326, WE357, WE5926, WE5926-WD, WE826-Q, WE826-T2, WE826-WD, WG108, and WG3526 firmware 19.1101, Zbtlink WE2426-C firmware 19.1112, Zbtlink WE5926-ECQP firmware 20.0516, Zbtlink WF3526-P firmware 19.051, CTN720-W1, LF-1541, and MT7620N firmware 19.1101, and WRC1 firmware 20.0622 contain...
CVE-2026-74233
CVE-2026-74233 affects multiple Zbtlink wireless devices running MQWrt firmware (e.g., WE1326, WE357, WE5926, WG108, and others) due to an unauthenticated command injection in the infosrvd service on UDP/9992 . The service's authentication is rendered ineffective by a hardcoded salt and an all-ze...
CVE-2026-74233 Zbtlink MQWrt infosrvd Command Injection
Zbtlink WE1326, WE357, WE5926, WE5926-WD, WE826-Q, WE826-T2, WE826-WD, WG108, and WG3526 firmware 19.1101, Zbtlink WE2426-C firmware 19.1112, Zbtlink WE5926-ECQP firmware 20.0516, Zbtlink WF3526-P firmware 19.051, CTN720-W1, LF-1541, and MT7620N firmware 19.1101, and WRC1 firmware 20.0622 contain...
CVE-2026-74232 Zbtlink MQWrt yunmgrd Cloud C2 Implant
Zbtlink L3V28 firmware 3.0.0.4.528, Zbtlink WE826-T2 firmware 19.1101, Zbtlink ZBT-7628 firmware 1.0.0.2.007, Zbtlink ZBT-ZBT7621 firmware 1.0.0.3.001, MoreQuick MQAC-7620, MQAC-7620A, MQAP-7620, MQAP-7620A, and MQAP-7628 firmware 1.0.0.2.000, AP522 firmware 1.0.0.2.014, AP7628 and HC5661A firmwa...
CVE-2026-74232 Zbtlink MQWrt yunmgrd Cloud C2 Implant
Zbtlink L3V28 firmware 3.0.0.4.528, Zbtlink WE826-T2 firmware 19.1101, Zbtlink ZBT-7628 firmware 1.0.0.2.007, Zbtlink ZBT-ZBT7621 firmware 1.0.0.3.001, MoreQuick MQAC-7620, MQAC-7620A, MQAP-7620, MQAP-7620A, and MQAP-7628 firmware 1.0.0.2.000, AP522 firmware 1.0.0.2.014, AP7628 and HC5661A firmwa...
EUVD-2026-66999
Zbtlink L3V28 firmware 3.0.0.4.528, Zbtlink WE826-T2 firmware 19.1101, Zbtlink ZBT-7628 firmware 1.0.0.2.007, Zbtlink ZBT-ZBT7621 firmware 1.0.0.3.001, MoreQuick MQAC-7620, MQAC-7620A, MQAP-7620, MQAP-7620A, and MQAP-7628 firmware 1.0.0.2.000, AP522 firmware 1.0.0.2.014, AP7628 and HC5661A firmwa...
CVE-2026-74232
Several Zbtlink and MoreQuick router models, including L3_V2_8 , WE826-T2 , ZBT-7628 , and MQAC-7620 series, ship with a backdoor command-and-control implant named yunmgrd (SPEAKINGSTONE ). The implant communicates over an unauthenticated cleartext UDP channel to a hardcoded C2 server. A remote u...
CVE-2026-74233: Use of Hard-coded Cryptographic Key
Zbtlink WE1326, WE357, WE5926, WE5926-WD, WE826-Q, WE826-T2, WE826-WD, WG108, and WG3526 firmware 19.1101, Zbtlink WE2426-C firmware 19.1112, Zbtlink WE5926-ECQP firmware 20.0516, Zbtlink WF3526-P firmware 19.051, CTN720-W1, LF-1541, and MT7620N firmware 19.1101, and WRC1 firmware 20.0622 contain...
CVE-2026-74232: Embedded Malicious Code
Zbtlink L3V28 firmware 3.0.0.4.528, Zbtlink WE826-T2 firmware 19.1101, Zbtlink ZBT-7628 firmware 1.0.0.2.007, Zbtlink ZBT-ZBT7621 firmware 1.0.0.3.001, MoreQuick MQAC-7620, MQAC-7620A, MQAP-7620, MQAP-7620A, and MQAP-7628 firmware 1.0.0.2.000, AP522 firmware 1.0.0.2.014, AP7628 and HC5661A firmwa...
VulnCheck KEV: CVE-2026-74232
Zbtlink L3V28 firmware 3.0.0.4.528, Zbtlink WE826-T2 firmware 19.1101, Zbtlink ZBT-7628 firmware 1.0.0.2.007, Zbtlink ZBT-ZBT7621 firmware 1.0.0.3.001, MoreQuick MQAC-7620, MQAC-7620A, MQAP-7620, MQAP-7620A, and MQAP-7628 firmware 1.0.0.2.000, AP522 firmware 1.0.0.2.014, AP7628 and HC5661A firmwa...
VulnCheck KEV: CVE-2026-74233
Zbtlink WE1326, WE357, WE5926, WE5926-WD, WE826-Q, WE826-T2, WE826-WD, WG108, and WG3526 firmware 19.1101, Zbtlink WE2426-C firmware 19.1112, Zbtlink WE5926-ECQP firmware 20.0516, Zbtlink WF3526-P firmware 19.051, CTN720-W1, LF-1541, and MT7620N firmware 19.1101, and WRC1 firmware 20.0622 contain...
PT-2026-82487
Name of the Vulnerable Software and Affected Versions Zbtlink WE1326 firmware 19.1101 Zbtlink WE357 firmware 19.1101 Zbtlink WE5926 firmware 19.1101 Zbtlink WE5926-WD firmware 19.1101 Zbtlink WE826-Q firmware 19.1101 Zbtlink WE826-T2 firmware 19.1101 Zbtlink WE826-WD firmware 19.1101 Zbtlink WG10...
PT-2026-82486
Name of the Vulnerable Software and Affected Versions Zbtlink L3 V2 8 version 3.0.0.4.528 Zbtlink WE826-T2 version 19.1101 Zbtlink ZBT-7628 version 1.0.0.2.007 Zbtlink ZBT-ZBT7621 version 1.0.0.3.001 MoreQuick MQAC-7620 version 1.0.0.2.000 MoreQuick MQAC-7620A version 1.0.0.2.000 MoreQuick...
Exploit for CVE-2026-66747
OIEH Router Checker 내 공유기가 중국산 백도어ENDLESSDOORS에 해당하는지 클릭...
Chinese-Made Zbtlink Routers Ship With Backdoor That Opens Unauthenticated Root Shells
Cybersecurity researchers have disclosed details of a "factory-shipped backdoor" implanted in at least 20 Chinese router models from Zbtlink. According to a new report from VulnCheck, the implant appears in all 21 firmware images currently available from Zbtlink that span more than 2 years. The...
CVE-2026-66747
Zbtlink router firmware ships an embedded remote-control implant, ENDLESSDOORS, present in every published build across the product line. It is the open-source ycsunjane/rctl tool built in as an OpenWrt package librctl.so, started at boot and run as root under the process name kworker to blend in...