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-2021-38387

CVE-2021-38387 affects Contiki 3.0, where a Telnet server that exits silently before disconnecting can cause connected clients to enter an infinite loop, leading to excessive CPU consumption. The available documents identify the vulnerable component as the Telnet server in Contiki 3.0 and describ...

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...

Contiki 安全漏洞

Contiki is an open source cross-platform operating system for IoT Internet of Things devices. A security vulnerability in Contiki 3.0, where a silently exiting Telnet server before disconnecting from the client causes connected clients to enter an infinite loop and wait forever, which can lead to...

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, 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...

EulerOS 2.0 SP9 : curl (EulerOS-SA-2021-2265)

According to the versions of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - curl is a command line tool for transferring data with URL syntax, supporting FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS,...

EulerOS 2.0 SP8 : curl (EulerOS-SA-2021-2290)

According to the versions of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - curl 7.7 through 7.76.1 suffers from an information disclosure when the -t command line option, known as CURLOPTTELNETOPTIONS in libcurl, is used ...

Contiki 安全漏洞

Contiki is an open source cross-platform operating system for IoT Internet of Things devices. A security vulnerability exists in Contiki version 3.0 that stems from a potential non-terminating acknowledgement loop in the Telnet service used by Contiki. When the negotiation option has been disable...

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...

ALPINE-CVE-2021-22925

curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending NEWENV variables, libcurlcould be made to pass on uninitialized data from a stack based...

AZL-6363 CVE-2021-22925 affecting package curl for versions less than 7.76.0-5

curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending NEWENV variables, libcurlcould be made to pass on uninitialized data from a stack based...

CVE-2021-22925

curl supports the -t command line option, known as CURLOPTTELNETOPTIONSin libcurl. This rarely used option is used to send variable=content pairs toTELNET servers.Due to flaw in the option parser for sending NEWENV variables, libcurlcould be made to pass on uninitialized data from a stack based...