CVE-2026-47116 LTSecurity LTK3500SF Hard-coded Credentials via Telnet/SSH

LTSecurity LTK3500SF contains a hard-coded credentials vulnerability where the root and guest account passwords are stored in /etc/shadow as weak hashes recoverable with dictionary-based cracking tools. The recovered credentials authenticate against the device's Telnet and SSH services and grant...

PT-2026-96969

Name of the Vulnerable Software and Affected Versions LTSecurity LTK3500SF affected versions not specified Description The device contains hard-coded credentials where the root and guest account passwords are stored in the /etc/shadow file as weak hashes. These hashes can be recovered using...

PT-2026-96806

Name of the Vulnerable Software and Affected Versions SLC8000 versions prior to 9.7.0.3 SLC9000 versions prior to 9.7.0.2 EMG8500/EMG7500 versions prior to 9.7.0.1 SLB882 affected versions not specified Description A server-side request forgery SSRF issue exists in the WebSSH/WebTelnet listener...

CVE-2026-47116: Use of Hard-coded Credentials

LTSecurity LTK3500SF contains a hard-coded credentials vulnerability where the root and guest account passwords are stored in /etc/shadow as weak hashes recoverable with dictionary-based cracking tools. The recovered credentials authenticate against the device's Telnet and SSH services and grant...

cowrie v3.0.14

.. SPDX-FileCopyrightText: 2014 Upi Tamminen [email protected] .. SPDX-FileCopyrightText: 2014-2025 Michel Oosterhof [email protected] .. .. SPDX-License-Identifier: BSD-3-Clause Cowrie What is Cowrie Cowrie is a medium to high interaction SSH and Telnet honeypot designed to log brute...

Astra Linux – Vulnerability in curl

There is a vulnerability in input validation in curl 8.0. During communication using the TELNET protocol, this may allow an attacker to send maliciously crafted user names and “telnet options” during server negotiation. The lack of proper input scrubbing allows an attacker to send content or...

Astra Linux – Vulnerability in curl

In versions 7.7 through 7.76.1 of curl, there is an information disclosure issue when the -t command-line option, referred to as CURLOPTTELNETOPTIONS in libcurl, is used to send variable=content pairs to TELNET servers. This issue arises due to a flaw in the option parser for sending NEWENV...

The vulnerability of the Telnet Client command-line tool for Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the Telnet Client command-line tool for Windows operating systems is related to buffer overflow in dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

K000163275: Curl vulnerabilities CVE-2023-27533, CVE-2023-28319, CVE-2023-28320, and CVE-2023-38039

Security Advisory Description CVE-2023-27533 A vulnerability in input validation exists in curl 8.0 during communication using the TELNET protocol may allow an attacker to pass on maliciously crafted user name and "telnet options" during server negotiation. The lack of proper input scrubbing allo...

CVE-2026-52482

An issue in the SJRC F11 SJ-GPS-PRO firmware build 2019-09-17 allows a remote attacker to obtain sensitive information. The vulnerability occurs via the inetd service, which spawns /app/sh_for_telnet , enabling an unauthenticated root shell via Telnet on port 23. Exploitation details for this spe...

PT-2026-89123

An issue in SJRC F11 SJ-GPS-PRO firmware build 2019-09-17 allows a remote attacker to obtain sensitive information via the inetd service spawns /app/sh for telnet...

CVE-2026-69431

Heap-based buffer overflow in Telnet Client allows an unauthorized attacker to execute code over a network...

CVE-2026-69431

CVE-2026-69431 is a heap-based buffer overflow in Microsoft's Telnet Client that allows an unauthorized attacker to achieve remote code execution over a network. The vulnerability is rated CVSS 9.8 (Critical) with a vector of network-accessible, low complexity, no privileges or user interaction r...

EUVD-2026-72976

Heap-based buffer overflow in Telnet Client allows an unauthorized attacker to execute code over a network...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Proftpd

CVE-2010-4221 — ProFTPD TELNET IAC Stack Overflow: From Patch...

Telnet Client Remote Code Execution Vulnerability

Heap-based buffer overflow in Telnet Client allows an unauthorized attacker to execute code over a network...

PT-2026-87462

Heap-based buffer overflow in Telnet Client allows an unauthorized attacker to execute code over a network...

CVE-2026-69431: Heap-based Buffer Overflow

Heap-based buffer overflow in Telnet Client allows an unauthorized attacker to execute code over a network...

CVE-2026-56740

A flaw was found in the JLine3 Telnet server remote-telnet module. An unauthenticated remote attacker can exploit this vulnerability by injecting an excessive number of environment variables through the Telnet NEW-ENVIRON option. This action causes the server to store numerous variable pairs,...

CVE-2026-56741

A flaw was found in the JLine3 Telnet server's remote-telnet module. An unauthenticated remote attacker can exploit this vulnerability by repeatedly sending large terminal dimension values through the Telnet Negotiate About Window Size NAWS option. This action triggers continuous,...