CVE-2021-27342

The CVE-2021-27342 entry describes a bypass of the telnetd authentication anti-brute-force protection in D-Link DIR-842 router (firmware 3.0.2). A remote attacker can circumvent the cooldown delay through a timing-based side-channel attack. Multiple connected sources (CNVD-2022-38537, CNVD-2022-3...

D-Link Router 安全漏洞

D-Link DIR-842 is a home router manufactured by Taiwan Youxun Technology Co. The D-Link DIR-842 has a telnetd authentication anti-blast protection mechanism bypass vulnerability, which can be exploited by attackers to bypass the anti-violence cooling delay period via a time-based side channel...

CVE-2021-29003

Genexis PLATINUM 4410 2.1 P4410-V2-1.28 devices allow remote attackers to execute arbitrary code via shell metacharacters to sysconfigvalid.xgi, as demonstrated by the sysconfigvalid.xgi?exeshell=%60telnetd%20%26%60 URI...

CVE-2021-29003

Genexis PLATINUM 4410 2.1 P4410-V2-1.28 devices allow remote attackers to execute arbitrary code via shell metacharacters to sysconfigvalid.xgi, as demonstrated by the sysconfigvalid.xgi?exeshell=%60telnetd%20%26%60 URI...

CVE-2021-27171

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to start a Linux telnetd as root on port 26/tcp by using the CLI interface commands of ddd and shell or tshell...

Design/Logic Flaw

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to start a Linux telnetd as root on port 26/tcp by using the CLI interface commands of ddd and shell or tshell...

CVE-2021-27171

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to start a Linux telnetd as root on port 26/tcp by using the CLI interface commands of ddd and shell or tshell...

CVE-2021-27171

The CVE-2021-27171 issue affects FiberHome HG6245D devices through RP2613. It allows starting a Linux telnetd as root on port 26/tcp by issuing CLI commands (ddd and shell/tshell), enabling complete control per the connected sources. Root-level access is the stated impact; no explicit exploitatio...

CVE-2020-29379

CVE-2020-29379 affects V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices. The update process launches a telnetd -l /bin/sh during firmware updates, which can be accessed via TELNET without authentication. This creates unauthenticated access to a shell, enabling potential local/remote m...

V-SOL Authorization Issues Vulnerability

Wisepac V-Solution V1600D4L is a Gpon-enabled terminal device for connecting fiber optic trunk lines from Wisepac China. VIA Communications V-Solution V1600D-MINI is a Gpon-enabled terminal device for connecting fiber optic trunk lines from VIA Communications, China. A security vulnerability exis...

NewStart CGSL MAIN 4.05 : krb5-appl Vulnerability (NS-SA-2020-0049)

The remote NewStart CGSL host, running version MAIN 4.05, has krb5-appl packages installed that are affected by a vulnerability: - utility.c in telnetd in netkit telnet through 0.17 allows remote attackers to execute arbitrary code via short writes or urgent data, because of a buffer overflow...

Debian DLA-2341-1 : inetutils security update

In inetutils-telnetd, an implementation of a telnet daemon, arbitrary remote code execution might have been possible via short writes or urgent data. For Debian 9 stretch, this problem has been fixed in version 2:1.9.4-2+deb9u1. We recommend that you upgrade your inetutils-telnetd packages. For t...

Debian: Security Advisory (DLA-2341-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2020-10988

The CVE-2020-10988 issue concerns the Tenda AC15 AC1900 router (firmware version 15.03.05.19). A hard-coded telnet credential in the tenda_login binary allows unauthenticated remote attackers to start a telnetd service on the device, enabling remote access at the network layer. This is the underl...

The vulnerability of the implementations of the functions netclear() and nextitem() in the demon telnetd of the netkit-telnet server allows a intruder to execute arbitrary code.

The vulnerability of the implementations of the functions netclear and nextitem in the telnetd daemon of the netkit-telnet server is related to the copying of buffers without checking the size of the input data. Exploiting this vulnerability could allow an attacker to execute arbitrary code by...

Telnetd - Remote Code Execution (CVE-2020-10188)

A buffer overflow condition exists in telnetd due to incorrect bounds checks in the services handling of short writes and urgent data. An unauthenticated, remote attacker can exploit this, via specially crafted telnet packets, to execute arbitrary code on the remote server. C Tenable Network...

Updated netkit-telnet packages fix security vulnerability

Updated netkit-telnetd packages fix security vulnerability: A vulnerability was found where incorrect bounds checks in the telnet server’s telnetd handling of short writes and urgent data, could lead to information disclosure and corruption of heap data. An unauthenticated remote attacker could...

Debian: Security Advisory (DLA-2176-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Debian DLA-2176-1 : inetutils security update

NOTE: This DLA was intially sent on 2020-04-14 but for reasons unknown failed to reach the mailing list. It is being re-sent now to ensure that it appears in the mailing list archive. No new version of inetutils has been published since version 2:1.9.2.39.3a460-3+deb8u1 described in the original...

[SECURITY] [DLA 2176-1] inetutils security update

Package : inetutils Version : 2:1.9.2.39.3a460-3+deb8u1 CVE ID : CVE-2020-10188 Debian Bug : 956084 NOTE: This DLA was intially sent on 2020-04-14 but for reasons unknown failed to reach the mailing list. It is being re-sent now to ensure that it appears in the mailing list archive. No new versio...