EUVD-2017-18921

DBLTek GoIP devices models GoIP 1, 4, 8, 16, and 32 contain an undocumented vendor backdoor in the Telnet administrative interface that allows remote authentication as an undocumented user via a proprietary challenge–response scheme which is fundamentally flawed. Because the challenge response ca...

CVE-2017-20204

CVE-2017-20204 affects DBLTek GoIP voice gateway devices (GoIP 1, 4, 8, 16, 32). The Telnet admin interface contains an undocumented vendor backdoor that enables remote authentication as an undocumented user via a flawed challenge–response scheme. Because the challenge can be derived from itself,...

CVE-2017-20204 DBLTek GoIP Telnet Admin Interface Undocumented Backdoor

DBLTek GoIP devices models GoIP 1, 4, 8, 16, and 32 contain an undocumented vendor backdoor in the Telnet administrative interface that allows remote authentication as an undocumented user via a proprietary challenge–response scheme which is fundamentally flawed. Because the challenge response ca...

CVE-2017-20204 DBLTek GoIP Telnet Admin Interface Undocumented Backdoor

DBLTek GoIP devices models GoIP 1, 4, 8, 16, and 32 contain an undocumented vendor backdoor in the Telnet administrative interface that allows remote authentication as an undocumented user via a proprietary challenge–response scheme which is fundamentally flawed. Because the challenge response ca...

PT-2025-42215

DBLTek GoIP devices models GoIP 1, 4, 8, 16, and 32 contain an undocumented vendor backdoor in the Telnet administrative interface that allows remote authentication as an undocumented user via a proprietary challenge–response scheme which is fundamentally flawed. Because the challenge response ca...

DBLTek GoIP 安全漏洞

DBLTek GoIP is a voice gateway device from Deborah DBLTek China. A security vulnerability exists in the DBLTek GoIP that stems from an undocumented vendor backdoor in the Telnet management interface that could lead to remote code execution and full control of the device...

Injection, Attack and Erasure: Revocable Backdoor Attacks Via Machine Unlearning

Backdoor attacks pose a persistent security risk to deep neural networks DNNs due to their stealth and durability. While recent research has explored leveraging model unlearning mechanisms to enhance backdoor concealment, existing attack strategies still leave persistent traces that may be detect...

Chinese Hackers Exploit ArcGIS Server as Backdoor for Over a Year

Threat actors with ties to China have been attributed to a novel campaign that compromised an ArcGIS system and turned it into a backdoor for more than a year. The activity, per ReliaQuest, is the handiwork of a Chinese state-sponsored hacking group called Flax Typhoon , which is also tracked as...

New Rust-Based Malware "ChaosBot" Uses Discord Channels to Control Victims' PCs

Cybersecurity researchers have disclosed details of a new Rust-based backdoor called ChaosBot that can allow operators to conduct reconnaissance and execute arbitrary commands on compromised hosts. "Threat actors leveraged compromised credentials that mapped to both Cisco VPN and an over-privileg...

Ragic Enterprise Cloud Database 代码问题漏洞

Ragic Enterprise Cloud Database is an enterprise cloud database from Ragic, Inc. A code issue vulnerability exists in Ragic Enterprise Cloud Database that stems from a backdoor that allows a privileged remote attacker to upload and execute web scripts, which could lead to the execution of arbitra...

CVE-2017-20203

NetSarang Xmanager Enterprise 5.0 Build 1232, Xmanager 5.0 Build 1045, Xshell 5.0 Build 1322, Xftp 5.0 Build 1218, and Xlpd 5.0 Build 1220 contain a malicious nssock2.dll that implements a multi-stage, DNS-based backdoor. The dormant library contacts a C2 DNS server via a specially crafted TXT...

Malicious code in frontend-metrics-collector-sdk (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 33df4b3fc95229c6a1af21ef46dd94df8a0c7f647459b6b83dd1a92149afbbdd Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

MAL-2025-48242 Malicious code in chai-utils (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 975b6ac20ebe483ebacc5aac930cd8efb123c6f3e9c68d18bf72c0e42c1787ba Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in redirect-9e9u92 (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware cb58207e29367b722a835569c162c1270d5c178ea23825c827c51af1d5ce0eb4 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

EUVD-2025-33400

An Origin Validation Error vulnerability in an insufficient protected file of Juniper Networks Junos OS on EX4600 Series and QFX5000 Series allows an unauthenticated attacker with physical access to the device to create a backdoor which allows complete control of the system. When a device isn't...

EUVD-2017-18919

NetSarang Xmanager Enterprise 5.0 Build 1232, Xmanager 5.0 Build 1045, Xshell 5.0 Build 1322, Xftp 5.0 Build 1218, and Xlpd 5.0 Build 1220 contain a malicious nssock2.dll that implements a multi-stage, DNS-based backdoor. The dormant library contacts a C2 DNS server via a specially crafted TXT...

From HealthKick to GOVERSHELL: The Evolution of UTA0388's Espionage Malware

A China-aligned threat actor codenamed UTA0388 has been attributed to a series of spear-phishing campaigns targeting North America, Asia, and Europe that are designed to deliver a Go-based implant known as GOVERSHELL. "The initially observed campaigns were tailored to the targets, and the message...

CVE-2017-20203

NetSarang Xmanager Enterprise 5.0 Build 1232, Xmanager 5.0 Build 1045, Xshell 5.0 Build 1322, Xftp 5.0 Build 1218, and Xlpd 5.0 Build 1220 contain a malicious nssock2.dll that implements a multi-stage, DNS-based backdoor. The dormant library contacts a C2 DNS server via a specially crafted TXT...

CVE-2017-20203 NetSarang v5.0 Malicious Backdoor Supply Chain Compromise

NetSarang Xmanager Enterprise 5.0 Build 1232, Xmanager 5.0 Build 1045, Xshell 5.0 Build 1322, Xftp 5.0 Build 1218, and Xlpd 5.0 Build 1220 contain a malicious nssock2.dll that implements a multi-stage, DNS-based backdoor. The dormant library contacts a C2 DNS server via a specially crafted TXT...

CVE-2017-20203

NetSarang products including Xmanager Enterprise 5.0 (Build 1232), Xmanager 5.0 (Build 1045), Xshell 5.0 (Build 1322), Xftp 5.0 (Build 1218), and Xlpd 5.0 (Build 1220) are affected by a supply‑chain backdoor delivered via a malicious nssock2.dll. The DLL implements a multi‑stage, DNS‑based backdo...