Analyzing Unsolicited Internet Traffic: Measuring IoT Security Threats Via Network Telescopes

Network telescopes serve as a critical passive monitoring tool for capturing unsolicited Internet traffic, providing insights into global scanning and reconnaissance behavior. This study analyzes a 10-day dataset during January 2025 consisting of approximately 22 million packets collected by the...

PT-2026-36833

Name of the Vulnerable Software and Affected Versions D-Link DIR-605L Hardware Revision A1 Description A hardcoded telnet backdoor exists where the device starts a telnet daemon at boot via the /bin/telnetd.sh script. The system uses a static username "Alphanetworks" and password "wrgn35 dlwbr...

D-Link DIR-605L 信任管理问题漏洞

The D-Link DIR-605L is a wireless router produced by D-Link Corporation. The D-Link DIR-605L Hardware Revision B2 version has a vulnerability related to trust management. This vulnerability stems from a hard-coded telnet backdoor, which allows unauthenticated attackers on the local network to...

D-Link DIR-456U 信任管理问题漏洞

The D-Link DIR-456U is a wireless router produced by D-Link Corporation. The D-Link DIR-456U Hardware Revision A1 has a vulnerability related to trust management. This vulnerability stems from a hard-coded telnet backdoor, which may allow unauthenticated attackers on the local network to obtain a...

CLSA-2026-1777463593 curl: Fix of CVE-2023-27533

CVE-2023-27533: telnet: only accept option arguments in ascii...

CLSA-2026-1777463367 curl: Fix of CVE-2023-27533

CVE-2023-27533: telnet: only accept option arguments in ascii...

CVE-2026-7152

A vulnerability was identified in Totolink A8000RU 7.1cu.643b20200521. The affected element is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument telnetenabled leads to os command injection. It is possible to launch the attac...

CVE-2026-7152 Totolink A8000RU CGI cstecgi.cgi setTelnetCfg os command injection

A vulnerability was identified in Totolink A8000RU 7.1cu.643b20200521. The affected element is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument telnetenabled leads to os command injection. It is possible to launch the attac...

EUVD-2026-25914

A vulnerability was identified in Totolink A8000RU 7.1cu.643b20200521. The affected element is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument telnetenabled leads to os command injection. It is possible to launch the attac...

CVE-2026-6989

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and...

TOTOLINK A8000RU 命令注入漏洞

TOTOLINK A8000RU is a wireless router produced by TOTOLINK, a Chinese company. The TOTOLINK A8000RU 7.1cu.643b20200521 version has a command injection vulnerability. This vulnerability stems from improper handling of the parameter “telnetenabled” in the function setTelnetCfg within the CGI Handle...

PT-2026-35520

A vulnerability was identified in Totolink A8000RU 7.1cu.643 b20200521. The affected element is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument telnet enabled leads to os command injection. It is possible to launch the...

CVE-2026-6989

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and...

CVE-2026-6989 Tenda F453 Telnet Service telnet TendaTelnet command injection

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and...

CVE-2026-6989

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and...

CVE-2026-6989

CVE-2026-6989 affects Tenda F453 firmware up to version 1.0.0.3. The vulnerable component is the Telnet Service, specifically the TendaTelnet function in /goform/telnet. Successful exploitation enables command injection via a remote network attack without user interaction, with attackers possibly...

EUVD-2026-25665

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and...

CVE-2026-6989 Tenda F453 Telnet Service telnet TendaTelnet command injection

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and...

PT-2026-35160

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and...

Tenda F453 注入漏洞

The Tenda F453 is a wireless router produced by the Chinese company Tenda. Versions of the Tenda F453 starting from 1.0.0.3 and earlier have a vulnerability related to command injection, which originates from the TendaTelnet function in the telnet service component, located in the...