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...

Buffer overflow

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-2021-38386

CVE-2021-38386 affects Contiki 3.0 in the Telnet service. The vulnerability is a buffer overflow caused by mishandling the ls command when directories contain many files with long names, leading to a remote denial of service. The provided documents describe the issue consistently but do not inclu...

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-2021-38311

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...

Design/Logic Flaw

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-2021-38311

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-2021-38311

In Contiki 3.0, the Telnet service contains a vulnerability that can cause nonterminating acknowledgment loops. When negotiation options are already disabled, the server may still respond to DONT and WONT requests with WONT or DONT commands, which can lead to infinite acknowledgment loops, denial...

Home routers are being hijacked using vulnerability disclosed just 2 days ago

The early bird catches the worm. Unless the worm was early enough to hide. On August 3, 2021 a vulnerability that was discovered by Tenable was made public. Only two days later, on August 5, Juniper Threat Labs identified some attack patterns that attempted to exploit this vulnerability in the...

Totolink A720R Command Execution Vulnerability

The Totolink A720R is a wireless router from Taiwan, China's Gion Electronics Totolink. The TOTOLINK A720R suffers from a command execution vulnerability that stems from improper design or implementation during code development of the network system. The vulnerability can be exploited by an...

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-2021-35327

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-2021-35327

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-2021-35327

The CVE-2021-35327 entry concerns Totolink A720R routers (firmware v4.1.5cu.470_B20200911). Affected component: Telnet service authentication; root cause: improper handling allowing Telnet to start and login with default credentials via a crafted POST request. Reported impact: attacker could gain...

PT-2021-20889

Name of the Vulnerable Software and Affected Versions: TOTOLINK A720R version v4.1.5cu.470 B20200911 Description: A vulnerability allows attackers to start the Telnet service and then login with the default credentials via a crafted POST request. Recommendations: For version v4.1.5cu.470 B2020091...

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-2021-37555

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...

D-LINK DIR-3040 Libcli test environment hard-coded password vulnerability

Summary A hard-coded password vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to code execution. An attacker can send a sequence of requests to trigger this vulnerability. Tested Versions D-LINK DIR-3040...

D-LINK DIR-3040 Libcli command injection vulnerability

Summary A code execution vulnerability exists in the Libcli Test Environment functionality of D-LINK DIR-3040 1.13B03. A specially crafted network request can lead to arbitrary command execution. An attacker can send a sequence of requests to trigger this vulnerability. Tested Versions D-LINK...

CVE-2021-31337

The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products SINAMICS SL15...