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-2021-20646

Cross-site request forgery CSRF vulnerability in ELECOM WRC-300FEBK-A allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started...

CVE-2021-20647

Cross-site request forgery CSRF vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started...

CVE-2021-39615

D-Link DSR-500N version 1.02 contains hard-coded credentials for undocumented user accounts in the '/etc/passwd' file.If an attacker succeeds in recovering the cleartext password of the identified hash value, he will be able to log in via SSH or Telnet and thus gain access to the underlying...

CVE-2021-35327

A vulnerability in TOTOLINK A720R A720RFirmware v4.1.5cu.470B20200911 allows attackers to start the Telnet service, then login with the default credentials via a crafted POST request...

CVE-2021-37145

A command-injection vulnerability in an authenticated Telnet connection in Poly formerly Polycom CX5500 and CX5100 1.3.5 leads an attacker to Privilege Escalation and Remote Code Execution capability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer...

CVE-2021-27342

An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack...

CVE-2021-38386

In Contiki 3.0, a buffer overflow in the Telnet service allows remote attackers to cause a denial of service because the ls command is mishandled when a directory has many files with long names...

CVE-2021-38387

In Contiki 3.0, a Telnet server that silently quits before disconnection with clients leads to connected clients entering an infinite loop and waiting forever, which may cause excessive CPU consumption...

CVE-2021-38311

In Contiki 3.0, potential nonterminating acknowledgment loops exist in the Telnet service. When the negotiated options are already disabled, servers still respond to DONT and WONT requests with WONT or DONT commands, which may lead to infinite acknowledgment loops, denial of service, and excessiv...

CVE-2021-37555

TX9 Automatic Food Dispenser v3.2.57 devices allow access to a shell as root/superuser, a related issue to CVE-2019-16734. To connect, the telnet service is used on port 23 with the default password of 059AnkJ for the root account. The user can then download the filesystem through preinstalled...

CVE-2021-28152

Hongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell as a superuser. To connect, the telnet service is used on port 5188 with the default credentials of root:superzxmn...

CVE-2021-27179

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to crash the telnet daemon by sending a certain 0a 65 6e 61 62 6c 65 0a 02 0a 1a 0a string...

CVE-2021-26797

An access control vulnerability in Hame SD1 Wi-Fi firmware =V.20140224154640 allows an attacker to get system administrator through an open Telnet service...

CVE-2021-20694

Improper access control vulnerability in DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to bypass access restriction and to start a telnet service via unspecified vectors...

CVE-2021-45856

Accu-Time Systems MAXIMUS 1.0 telnet service suffers from a remote buffer overflow which causes the telnet service to crash...

CVE-2021-42892

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can start telnet without authorization because the default username and password exists in the firmware...

CVE-2021-34203

D-Link DIR-2640-US 1.01B04 is vulnerable to Incorrect Access Control. Router ac2600 dir-2640-us, when setting PPPoE, will start quagga process in the way of whole network monitoring, and this function uses the original default password and port. An attacker can easily use telnet to log in, modify...

CVE-2021-20776

Improper authentication vulnerability in SCT-40CM01SR and AT-40CM01SR allows an attacker to bypass access restriction and execute an arbitrary command via telnet...

CVE-2020-25749

The Telnet service of Rubetek cameras RV-3406, RV-3409, and RV-3411 cameras firmware versions v342, v339 could allow an remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password. The Telne...