CVE-2026-4621

Hidden Functionality vulnerability in NEC Platforms, Ltd. Aterm Series allows a attacker to enable telnet via network...

CVE-2026-31847

CVE-2026-31847 concerns Nexxt Solutions Nebula 300+ devices running firmware up to 12.01.01.37. A hidden functionality in the /goform/setSysTools endpoint can remotely enable Telnet, which then exposes a privileged diagnostic management interface over the network. This increases attack surface an...

CVE-2026-31847 Hidden Functionality Enables Remote Telnet Activation via /goform/setSysTools in Nexxt Nebula 300+

Hidden functionality in the /goform/setSysTools endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows remote enablement of a Telnet service. By sending a crafted POST request with parameters such as telnetManageEn=true and telnetPwd, an authenticated attacker can...

CVE-2026-31847 Hidden Functionality Enables Remote Telnet Activation via /goform/setSysTools in Nexxt Nebula 300+

Hidden functionality in the /goform/setSysTools endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows remote enablement of a Telnet service. By sending a crafted POST request with parameters such as telnetManageEn=true and telnetPwd, an authenticated attacker can...

PT-2026-27114

Hidden functionality in the /goform/setSysTools endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows remote enablement of a Telnet service. Once enabled, the service exposes a privileged diagnostic management interface over the network, increasing the attack surface...

EUVD-2026-4968

A vulnerability was found in Tenda AX12 Pro V2 16.03.49.24cn. Affected by this issue is some unknown functionality of the component Telnet Service. Performing a manipulation results in hard-coded credentials. The attack is possible to be carried out remotely. A high degree of complexity is needed...

EUVD-2024-54881

Malicious code in bioql PyPI...

CVE-2024-53945

The KuWFi 4G AC900 LTE router 1.0.13 is vulnerable to command injection on the HTTP API endpoints /goform/formMultiApnSetting and /goform/atCmd. An authenticated attacker can execute arbitrary OS commands with root privileges via shell metacharacters in parameters such as pincode and cmds...

Nexxt Solutions NCM-X1800 安全漏洞

The Nexxt Solutions NCM-X1800 is a router from Nexxt Solutions. A security vulnerability exists in the Nexxt Solutions NCM-X1800 UV1.2.7 and earlier versions, which stems from an authentication bypass that could lead to remote enablement of Telnet services...

CVE-2023-22920

A security misconfiguration vulnerability exists in the Zyxel LTE3316-M604 firmware version V2.00ABMP.6C0 due to a factory default misconfiguration intended for testing purposes. A remote attacker could leverage this vulnerability to access an affected device using Telnet...

CVE-2020-13364

A backdoor in certain Zyxel products allows remote TELNET access via a CGI script. This affects NAS520 V5.21AASZ.4C0, V5.21AASZ.0C0, V5.11AASZ.3C0, and V5.11AASZ.0C0; NAS542 V5.11ABAG.0C0, V5.20ABAG.1C0, and V5.21ABAG.3C0; NSA325 v2V4.81AALS.0C0 and V4.81AAAJ.1C0; NSA310 4.22AFK.0C0 and...

CVE-2024-6422

An unauthenticated remote attacker can manipulate the device via Telnet, stop processes, read, delete and change data...

ifm electronic Smart PLC AC14xx and ifm electronic Smart PLC AC4xxS Trust Management Issue Vulnerability

The ifm electronic Smart PLC AC14xx and ifm electronic Smart PLC AC4xxS are both a series of hosts/gateways from ifm electronic Germany. A trust management issue vulnerability exists in ifm electronic Smart PLC AC14xx and ifm electronic Smart PLC AC4xxS versions 4.3.17 and earlier, which originat...

D-Link DAP-1880AC contains multiple vulnerabilities

Overview DAP-1880AC provided by D-Link Japan K.K. contains multiple vulnerabilities listed below. Improper access control CWE-284 - CVE-2021-20694 Improper privilege management CWE-269 - CVE-2021-20695 OS command injection CWE-78 - CVE-2021-20696 Missing authentication for critical function CWE-3...

Unauthorized Access Vulnerability in CMCC R3S-3 at CMCC IoT Ltd.

The CMCC R3S-3 is a router. An unauthorized access vulnerability exists in the CMCC R3S-3 of CMCC Internet of Things Ltd. An attacker can exploit the vulnerability to remotely enable telnet and obtain the telnet password...

CVE-2020-13364

A backdoor in certain Zyxel products allows remote TELNET access via a CGI script. This affects NAS520 V5.21AASZ.4C0, V5.21AASZ.0C0, V5.11AASZ.3C0, and V5.11AASZ.0C0; NAS542 V5.11ABAG.0C0, V5.20ABAG.1C0, and V5.21ABAG.3C0; NSA325 v2V4.81AALS.0C0 and V4.81AAAJ.1C0; NSA310 4.22AFK.0C0 and...

CVE-2020-13364

A backdoor in certain Zyxel products allows remote TELNET access via a CGI script. This affects NAS520 V5.21AASZ.4C0, V5.21AASZ.0C0, V5.11AASZ.3C0, and V5.11AASZ.0C0; NAS542 V5.11ABAG.0C0, V5.20ABAG.1C0, and V5.21ABAG.3C0; NSA325 v2V4.81AALS.0C0 and V4.81AAAJ.1C0; NSA310 4.22AFK.0C0 and...

FreeBSD -- telnet(1) client multiple vulnerabilities

Problem Description: Insufficient validation of environment variables in the telnet client supplied in FreeBSD can lead to stack-based buffer overflows. A stack- based overflow is present in the handling of environment variables when connecting via the telnet client to remote telnet servers. This...

Tenda AC15 Authentication Vulnerability

Tenda AC15 is a wireless router product from Tenda, a Chinese company. A security vulnerability exists in the Tenda AC15, which originates from some default accounts on the device having root privileges. The vulnerability can be exploited by a remote attacker to create a telnetd service by sendin...

Windows Botnet Spreading Mirai Variant

A Chinese-speaking attacker is spreading a Mirai variant from a repurposed Windows-based botnet. Researchers at Kaspersky Lab published a report today, and said the code was written by an experienced developer who also built in the capability to spread the IoT malware to Linux machines under...