Totolink vulnerabilities

CVE-2026-5854 Critical · 9.8 CWE-77 Apr 9, 2026

Totolink A7100RU setWiFiEasyCfg OS Command Injection (CVE-2026-5854)

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument merge results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

CVE-2026-5853 Critical · 9.8 CWE-77 Apr 9, 2026

Totolink A7100RU OS Command Injection via setIpv6LanCfg (CVE-2026-5853)

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument addrPrefixLen leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

CVE-2026-5852 Critical · 9.8 CWE-77 Apr 9, 2026

Totolink A7100RU Command Injection in setIptvCfg (CVE-2026-5852)

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer causes os command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

CVE-2026-5851 Critical · 9.8 CWE-77 Apr 9, 2026

Totolink A7100RU OS Command Injection in setUPnPCfg (CVE-2026-5851)

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument enable results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-5850 Critical · 9.8 CWE-77 Apr 9, 2026

Totolink A7100RU OS Command Injection in setVpnPassCfg (CVE-2026-5850)

A vulnerability was identified in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

CVE-2026-5692 High · 7.3 CWE-77 Apr 6, 2026

Totolink A7100RU cstecgi.cgi setGameSpeedCfg os command injection

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setGameSpeedCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be performed from remote. The exploit has been made public and could be used.

CVE-2026-5691 High · 7.3 CWE-77 Apr 6, 2026

Totolink A7100RU cstecgi.cgi setFirewallType os command injection

A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setFirewallType of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

CVE-2026-5690 High · 7.3 CWE-77 Apr 6, 2026

Totolink A7100RU cstecgi.cgi setRemoteCfg os command injection

A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used.

CVE-2026-5689 High · 7.3 CWE-77 Apr 6, 2026

Totolink A7100RU cstecgi.cgi setNtpCfg os command injection

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setNtpCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument tz results in os command injection. Remote exploitation of the attack is possible. The exploit is now public and may be used.

CVE-2026-5688 High · 7.3 CWE-77 Apr 6, 2026

Totolink A7100RU cstecgi.cgi setDdnsCfg os command injection

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

CVE-2026-5679 Medium · 5.5 CWE-77 Apr 6, 2026

Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.

CVE-2026-5678 High · 7.3 CWE-77 Apr 6, 2026

Totolink A7100RU cstecgi.cgi setScheduleCfg os command injection

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument mode can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

CVE-2026-5677 High · 7.3 CWE-77 Apr 6, 2026

Totolink A7100RU cstecgi.cgi CsteSystem os command injection

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument resetFlags results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-5676 High · 7.3 CWE-287 Apr 6, 2026

Totolink A8000R cstecgi.cgi setLanguageCfg missing authentication

A vulnerability was identified in Totolink A8000R 5.9c.681_B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication. The attack can be launched remotely. The exploit is publicly available and might be used.

CVE-2026-31027 Critical · 9.8 CWE-120 Apr 1, 2026

Classic Buffer Overflow in Totolink A3600r Firmware

TOTOlink A3600R v5.9c.4959 contains a buffer overflow vulnerability in the setAppEasyWizardConfig interface of /lib/cste_modules/app.so. The vulnerability occurs because the rootSsid parameter is not properly validated for length, allowing remote attackers to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.

CVE-2026-5178 High · 8.8 CWE-74 Mar 31, 2026

Totolink A3300R cstecgi.cgi setIptvCfg command injection

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

CVE-2026-5177 High · 8.8 CWE-74 Mar 31, 2026

Totolink A3300R cstecgi.cgi setWiFiBasicCfg command injection

A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this vulnerability is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument rxRate can lead to command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

CVE-2026-5176 Critical · 9.8 CWE-74 Mar 30, 2026

Totolink A3300R cstecgi.cgi setSyslogCfg command injection

A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. Affected is the function setSyslogCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument provided results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-5105 High · 8.8 CWE-77 Mar 30, 2026

Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command injection

A vulnerability was detected in Totolink A3300R 17.0.0cu.557_b20221024. The affected element is the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument pptpPassThru results in command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

CVE-2026-5104 High · 8.8 CWE-77 Mar 30, 2026

Totolink A3300R cstecgi.cgi setStaticRoute command injection

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Impacted is the function setStaticRoute of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument ip leads to command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

CVE-2026-5103 High · 8.8 CWE-77 Mar 29, 2026

Totolink A3300R cstecgi.cgi setUPnPCfg command injection

A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. This issue affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument enable causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

CVE-2026-5102 High · 8.8 CWE-74 Mar 29, 2026

Totolink A3300R Parameter cstecgi.cgi setSmartQosCfg command injection

A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. This vulnerability affects the function setSmartQosCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument qos_up_bw results in command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-5101 High · 8.8 CWE-78 Mar 29, 2026

Totolink A3300R Parameter cstecgi.cgi setLanCfg command injection

A vulnerability was identified in Totolink A3300R 17.0.0cu.557_b20221024. This affects the function setLanCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument lanIp leads to command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

CVE-2026-5030 Critical · 9.8 CWE-77 Mar 29, 2026

Totolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injection

A vulnerability has been found in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi of the component Telnet Service. The manipulation of the argument host_time leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

CVE-2026-5020 Critical · 9.8 CWE-77 Mar 28, 2026

Totolink A3600R Parameter cstecgi.cgi setNoticeCfg command injection

A vulnerability was detected in Totolink A3600R 4.1.2cu.5182_B20201102. Affected by this issue is the function setNoticeCfg of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. The manipulation of the argument NoticeUrl results in command injection. The attack may be launched remotely. The exploit is now public and may be used.