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...

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...

CVE-2026-52482

CVE-2026-52482 affects the SJRC F11 / SJ-GPS-PRO consumer drone (firmware build 2019-09-17, Fullhan FH8856 SoC, Linux 3.0.8 / BusyBox v1.19.3). The inetd service spawns /app/sh_for_telnet, granting a remote attacker on the drone's open WiFi network an unauthenticated root shell via Telnet on port...

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...

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-2026-56740

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,...

Linux Distros Unpatched Vulnerability : CVE-2026-57166

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet...

Linux Distros Unpatched Vulnerability : CVE-2026-57165

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet...

CVE-2026-57165

A flaw was found in PJSIP. A stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall. A remote attacker, with access to the unauthenticated telnet CLI, can trigger this issue because the line-redraw sequence can accumulate more dat...

CVE-2026-57166

A flaw was found in PJSIP. A stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. A remote attacker, with access to the unauthenticated telnet CLI, can send an overly long command line to trigger this issue. This can cause an...

CVE-2026-57166

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

DEBIAN-CVE-2026-57166

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

DEBIAN-CVE-2026-57165

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

CVE-2026-57165

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

CVE-2026-57166

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...