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Totolink

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high advisory

Totolink N300RH Buffer Overflow Vulnerability in setWanConfig

A buffer overflow vulnerability exists in Totolink N300RH version 3.2.4-B20220812, specifically affecting the setWanConfig function within the /cgi-bin/cstecgi.cgi file, allowing a remote attacker to exploit it by manipulating the priDns argument in a POST request.

N300RH 3.2.4-B20220812 buffer-overflow router cve-2026-7749
2r 1t 1c
critical advisory

Totolink N300RH Buffer Overflow Vulnerability (CVE-2026-7750)

A buffer overflow vulnerability exists in Totolink N300RH 3.2.4-B20220812 allowing remote attackers to execute arbitrary code by manipulating the mac_address argument in the setMacFilterRules function of the /cgi-bin/cstecgi.cgi POST request handler.

N300RH 3.2.4-B20220812 buffer-overflow router cve webserver
2r 1t 1c
critical advisory

Totolink WA300 Buffer Overflow Vulnerability (CVE-2026-7719)

A buffer overflow vulnerability exists in Totolink WA300 version 5.2cu.7112_B20190227 within the loginauth function of the /cgi-bin/cstecgi.cgi file, specifically affecting the POST Request Handler component, triggerable via manipulation of the http_host argument, and remotely exploitable with a publicly available exploit.

WA300 5.2cu.7112_B20190227 buffer overflow remote code execution cve-2026-7719 totolink
2r 1t 1c
critical threat

Totolink WA300 Buffer Overflow Vulnerability in UploadCustomModule

A remote buffer overflow vulnerability exists in the UploadCustomModule function of the /cgi-bin/cstecgi.cgi file in the POST Request Handler component of Totolink WA300 version 5.2cu.7112_B20190227, which can be exploited by manipulating the File argument.

WA300 5.2cu.7112_B20190227 buffer-overflow remote-code-execution router
2r 1t 1c
critical advisory

Totolink NR1800X Stack-Based Buffer Overflow Vulnerability

A stack-based buffer overflow vulnerability (CVE-2026-7546) in the Totolink NR1800X router allows remote attackers to achieve arbitrary code execution by sending a crafted HTTP request with a manipulated Host header to the vulnerable lighttpd component.

NR1800X 9.1.0u.6279_B20210910 cve remote code execution buffer overflow router
2r 1t 1c
critical advisory

Totolink NR1800X Command Injection Vulnerability

A command injection vulnerability exists in Totolink NR1800X version 9.1.0u.6279_B20210910, affecting the function sub_41A68C of the file /cgi-bin/cstecgi.cgi; by manipulating the argument setUssd, a remote attacker can inject commands, and an exploit is publicly available.

NR1800X 9.1.0u.6279_B20210910 command-injection router network
2r 1t 1c
critical advisory

Totolink A8000RU OS Command Injection Vulnerability

Totolink A8000RU version 7.1cu.643_b20200521 is vulnerable to OS command injection via manipulation of the `wifiOff` argument in the `setWiFiBasicCfg` function of the `/cgi-bin/cstecgi.cgi` CGI handler, allowing a remote attacker to execute arbitrary commands on the system.

A8000RU cve-2026-7241 command-injection router
2r 1t 1c
critical advisory

Totolink A8000RU Command Injection Vulnerability (CVE-2026-7244)

A critical OS command injection vulnerability (CVE-2026-7244) exists in the setWiFiEasyGuestCfg function of the /cgi-bin/cstecgi.cgi file in Totolink A8000RU version 7.1cu.643_b20200521, allowing remote attackers to execute arbitrary commands.

A8000RU command injection router vulnerability cve-2026-7244
3r 1t 1c
critical advisory

Totolink A8000RU OS Command Injection Vulnerability (CVE-2026-7240)

CVE-2026-7240 is a critical OS command injection vulnerability in the Totolink A8000RU router that allows remote attackers to execute arbitrary commands by manipulating the 'User' argument in the 'setVpnAccountCfg' function.

A8000RU 7.1cu.643_b20200521 cve-2026-7240 command-injection totolink router cgi
2r 1t 1c
high advisory

Totolink N300RT Buffer Overflow Vulnerability (CVE-2026-7219)

A remote buffer overflow vulnerability exists in Totolink N300RT 3.4.0-B20250430 via manipulation of the 'entry_name' argument in the /boafrm/formIpQoS file, potentially leading to arbitrary code execution.

N300RT buffer-overflow iot router cve-2026-7219
2r 1t 1c
critical threat

Totolink A8000RU OS Command Injection Vulnerability (CVE-2026-7154)

A remote OS command injection vulnerability exists in the Totolink A8000RU router version 7.1cu.643_b20200521, allowing attackers to execute arbitrary commands by manipulating the 'tty_server' argument in the 'setAdvancedInfoShow' function.

exploited A8000RU 7.1cu.643_b20200521 cve-2026-7154 command-injection network-device
2r 2t 1c
critical advisory

Totolink A8000RU OS Command Injection Vulnerability

A remote OS command injection vulnerability exists in Totolink A8000RU version 7.1cu.643_b20200521 via manipulation of the 'proto' argument in the /cgi-bin/cstecgi.cgi CGI handler, potentially leading to complete system compromise.

A8000RU 7.1cu.643_b20200521 command-injection rce totolink
2r 1t 1c