CVE-2026-6025

Totolink A7100RU CGI cstecgi.cgi setSyslogCfg os command injection

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

CVSS 4.0 · 9.3 Critical EPSS 3.1% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-6028

Totolink A7100RU CGI cstecgi.cgi setPptpServerCfg os command injection

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

CVSS 4.0 · 9.3 Critical EPSS 3.0% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-6026

Totolink A7100RU CGI cstecgi.cgi setPortalConfWeChat os command injection

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

CVSS 4.0 · 9.3 Critical EPSS 3.0% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-6157

Totolink A800R app.so setAppEasyWizardConfig buffer overflow

A vulnerability was detected in Totolink A800R 4.1.2cu.5137_B20200730. This impacts the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. The manipulation of the argument apcliSsid results in buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Vendors

Totolink

Products

A800r A800r Firmware

CVE-2026-6138

Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg os command injection

A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument mac causes os command injection. The attack can be initiated remotely. The exploit has been published and may be used.

CVSS 4.0 · 9.3 Critical EPSS 1.9% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-6116

Totolink A7100RU CGI cstecgi.cgi setDiagnosisCfg os command injection

A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument ip leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

CVSS 4.0 · 9.3 Critical EPSS 1.8% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-5688

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.

CVSS 4.0 · 6.9 Medium EPSS 1.6% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-5691

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.

CVSS 4.0 · 6.9 Medium EPSS 1.3% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-5677

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.

CVSS 4.0 · 6.9 Medium EPSS 1.3% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-5678

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.

CVSS 4.0 · 6.9 Medium EPSS 1.3% KEV · Not listed

Vendors

Totolink

Products

A7100ru A7100ru Firmware

CVE-2026-5676

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.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed

Vendors

Totolink

Products

A8000r

CVE-2026-5176

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.

CVSS 4.0 · 6.9 Medium EPSS 2.2% KEV · Not listed

Vendors

Totolink

Products

A3300r A3300r Firmware

CVE-2026-5177

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.

CVSS 4.0 · 5.3 Medium EPSS 2.7% KEV · Not listed

Vendors

Totolink

Products

A3300r A3300r Firmware

CVE-2026-5178

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.

CVSS 4.0 · 5.3 Medium EPSS 4.1% KEV · Not listed

Vendors

Totolink

Products

A3300r A3300r Firmware

CVE-2026-4611

TOTOLINK X6000R shttpd setLanCfg privilege escalation

A flaw has been found in TOTOLINK X6000R 9.4.0cu.1360_B20241207/9.4.0cu.1498_B20250826. Affected by this issue is the function setLanCfg of the file /usr/sbin/shttpd. Executing a manipulation of the argument Hostname can lead to os command injection. The attack may be launched remotely.

CVSS 4.0 · 8.6 High EPSS 3.2% KEV · Not listed

Vendors

Totolink

Products

X6000r X6000r Firmware

CVE-2026-4976

Totolink LR350 cstecgi.cgi setWiFiGuestCfg buffer overflow

A vulnerability was found in Totolink LR350 9.3.5u.6369_B20220309. This vulnerability affects the function setWiFiGuestCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Vendors

Totolink

Products

Lr350 Lr350 Firmware

CVE-2026-5104

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.

CVSS 4.0 · 5.3 Medium EPSS 2.8% KEV · Not listed

Vendors

Totolink

Products

A3300r A3300r Firmware

CVE-2026-5020

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.

CVSS 4.0 · 5.3 Medium EPSS 2.6% KEV · Not listed

Vendors

Totolink

Products

A3600r A3600r Firmware

CVE-2026-5030

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.

CVSS 4.0 · 5.3 Medium EPSS 2.6% KEV · Not listed

Vendors

Totolink

Products

Nr1800x Nr1800x Firmware

CVE-2026-5101

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.

CVSS 4.0 · 5.3 Medium EPSS 2.4% KEV · Not listed

Vendors

Totolink

Products

A3300r A3300r Firmware