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...

Metasploit Wrap-Up

New Olympic Discipline: Hive Hunting This week, community contributor Hakyac added a new Olympic discipline to Metasploit exploit sport category, which is based on the work of community security researchers @jonasLyk and Kevin Beaumont. The rules are simple: You need to abuse a flaw in Windows 10...

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...

BSA-2021-1013

Security Advisory ID : BSA-2021-1013 Component : Telnet Revision : 1.0: Final 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...

CHIYU IoT services Authentication bypass in telnet server(CVE-2021-31251)

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CVE-2021-31251

An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from CHIYU Technology Inc allows obtaining a privileged connection with the target device by supplying a specially malformed request and an attacker may force the remote telnet server to...

CVE-2021-31251

An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from CHIYU Technology Inc allows obtaining a privileged connection with the target device by supplying a specially malformed request and an attacker may force the remote telnet server to...

CVE-2021-31251

An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from CHIYU Technology Inc allows obtaining a privileged connection with the target device by supplying a specially malformed request and an attacker may force the remote telnet server to...

CVE-2021-31251

CVE-2021-31251 affects CHIYU IoT devices (BF-430, BF-431, BF-450M, SEMAC). The issue is an authentication bypass in the device telnet server, caused by a malformed telnet negotiation request that can cause the remote telnet server to treat the attacker as already authenticated, allowing a privile...

Netgear R7000 backup.cgi Heap Overflow RCE

This module exploits a heap buffer overflow in the genie.cgi?backup.cgi page of Netgear R7000 routers running firmware version 1.0.11.116. Successful exploitation results in unauthenticated attackers gaining code execution as the root user. The exploit utilizes these privileges to enable the teln...

FiberHome HG6245D devices authorization issue vulnerability

FiberHome HG6245D devices is a router from FiberHome, China. It provides network connectivity. An authorization issue vulnerability exists in the FiberHome HG6245D devices, which can be exploited by an attacker to access a telnet server...

FiberHome HG6245D Certification Bypass Vulnerability

The HG6245D is an FTTH ONT router from FiberHome. An authentication bypass vulnerability exists in the FiberHome HG6245D. An attacker can exploit this vulnerability to bypass authentication by sending a decoded value of the GgpoZWxwCmxpc3QKd2hvCg== string to a telnet server...

telnet bug fix and enhancement update

Telnet is a popular protocol for logging in to remote systems over the Internet. The telnet-server packages include a telnet service that supports remote logins into the host machine. The telnet service is disabled by default. Bug Fixes and Enhancements: in.telnetd needs to tolerate temporary EIO...

CVE-2021-27177

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to bypass authentication by sending the decoded value of the GgpoZWxwCmxpc3QKd2hvCg== string to the telnet server...

CVE-2021-27173

An issue was discovered on FiberHome HG6245D devices through RP2613. There is a telnet?enable=0&key=calculatedBR0MAC backdoor API, without authentication, provided by the HTTP server. This will remove firewall rules and allow an attacker to reach the telnet server used for the CLI...

Authentication flaw

An issue was discovered on FiberHome HG6245D devices through RP2613. There is a telnet?enable=0&key=calculatedBR0MAC backdoor API, without authentication, provided by the HTTP server. This will remove firewall rules and allow an attacker to reach the telnet server used for the CLI...

CVE-2021-27177

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to bypass authentication by sending the decoded value of the GgpoZWxwCmxpc3QKd2hvCg== string to the telnet server...

FiberHome HG6245D devices 授权问题漏洞

The HG6245D is an FTTH ONT router from FiberHome. An authentication bypass vulnerability exists in the FiberHome HG6245D. An attacker can exploit this vulnerability to bypass authentication by sending a decoded value of the GgpoZWxwCmxpc3QKd2hvCg== string to a telnet server...