CVE-2026-13589

A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The attack can be initiated...

EUVD-2026-40150

A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The attack can be initiated...

CVE-2026-13589

A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The attack can be initiated...

CVE-2026-13589

A vulnerability affects seladb PcapPlusPlus 25.05, specifically the Telnet Subnegotiation Packet Handler: pcpp::TelnetLayer::getSubCommand in Packet++/src/TelnetLayer.cpp. The issue is a heap-based buffer overflow that can be triggered remotely. The reported attack complexity is high, with no aut...

CVE-2026-13589 seladb PcapPlusPlus Telnet Subnegotiation Packet TelnetLayer.cpp getSubCommand heap-based overflow

A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The attack can be initiated...

TOTOLINK CP450 v4.1.0cu.747_B20191224 - Hard-Coded Password Vulnerability

A critical vulnerability has been discovered in TOTOLINK CP450 version 4.1.0cu.747B20191224. This vulnerability affects an unknown part of the file /webcste/cgi-bin/product.ini of the Telnet Service component. The issue stems from the use of a hard-coded password, which can be exploited remotely...

Sony IPELA Engine IP Camera - Hardcoded Account

Multiple SONY network cameras are vulnerable to sensitive information disclosure via hardcoded credentials. id: CVE-2016-7834 info: name: Sony IPELA Engine IP Camera - Hardcoded Account author: af001 severity: high description: | Multiple SONY network cameras are vulnerable to sensitive informati...

CVE-2026-49345

CVE-2026-49345 affects Mercator before 2025.05.19. The SSRF flaw resides in the CVE configuration panel (/admin/config/parameters) where ConfigurationController.testProvider() passes user input directly to curl_init() without validating scheme/host/IP. An authenticated user with configure permiss...

CVE-2026-49345 Mercator CVE Configuration Vulnerable to Server-Side Request Forgery (SSRF)

Mercator is an open source web application that enables mapping of the information system. Prior to version 2025.05.19, a Server-Side Request Forgery SSRF vulnerability exists in Mercator's CVE configuration panel /admin/config/parameters. The testProvider method in ConfigurationController passes...

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...

GHSA-47QP-HQVX-6R3F JLine3 Telnet server: Unauthenticated Remote Memory Exhaustion via Unbounded Telnet NEW-ENVIRON Variables

Summary The JLine3 Telnet server remote-telnet module does not limit the number of environment variables a client may inject via the Telnet NEW-ENVIRON option. An unauthenticated attacker can flood the server with a large number of unique variable pairs before sending the terminating IAC SE byte,...

GHSA-2R2C-CX56-8933 JLine3 Telnet server: Unauthenticated Remote DoS via Unbounded Telnet NAWS Terminal Geometry

Summary The JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS Negotiate About Window Size option. An unauthenticated remote attacker can send a NAWS subnegotiation advertising a 65535×65535 terminal and repeatedly alternate...

MGASA-2026-0210 Updated putty packages fix security vulnerabilities

ECDSA signature verification can be made to fail an assertion. Server can provoke a double free in RSA KEX code. Telnet session data is marked with trust sigils after authenticating to a proxy. PuTTY Ed25519 Signature ecc-ssh.c eddsaverify signature verification. CVE-2026-4115...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Inetutils vulnerabilities (USN-8387-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8387-1 advisory. It was discovered that the Inetutils telnet daemon incorrectly handled th...

CVE-2026-10045

Shenzhen Kangda Xin Intelligent Network Technology Company's router, model DR300, version 2.1.2.121, contains hardcoded login credentials and has telnet enabled by default on WAN and LAN interfaces. These vulnerabilities allow attackers to read and write to memory, modify firmware stored in flash...

[SECURITY] Fedora 43 Update: putty-0.84-1.fc43

Putty is a SSH, Telnet & Rlogin client - this time for Linux...

[SECURITY] Fedora 44 Update: putty-0.84-1.fc44

Putty is a SSH, Telnet & Rlogin client - this time for Linux...

CVE-2026-10045

Shenzhen Kangda Xin Intelligent Network Technology Company's router, model DR300, version 2.1.2.121, contains hardcoded login credentials and has telnet enabled by default on WAN and LAN interfaces. These vulnerabilities allow attackers to read and write to memory, modify firmware stored in flash...

EUVD-2026-35790

Shenzhen Kangda Xin Intelligent Network Technology Company's router, model DR300, version 2.1.2.121, contains hardcoded login credentials and has telnet enabled by default on WAN and LAN interfaces. These vulnerabilities allow attackers to read and write to memory, modify firmware stored in flash...