A vulnerability was found in TOTOLINK EX1200L EN_V9.3.5u.6146_B20201023 and classified as critical. This issue affects the function setWanCfg. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-237515. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

TOTOLINK AC1200 T8 v4.1.5cu.861_B20230220 has a buffer overflow vulnerability in the setWiFiAclRules function via the desc parameter.

In TOTOLINK A3002R TOTOLINK-A3002R-He-V1.1.1-B20200824.0128 in the shadow.sample file, root is hardcoded in the firmware.

A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument hostName leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-249858 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected is the function main of the file /cgi-bin/cstecgi.cgi. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-252270 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

TOTOLINK A3700R v9.1.2u.5822_B20200513 has a buffer overflow vulnerability in the ssid parameter in setWizardCfg function.

A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been rated as critical. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument lang leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-250793 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

TOTOLINK A860R V4.1.2cu.5182_B20201027 is vulnerable to Buffer Overflow via Cstecgi.cgi.

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. This issue affects the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249863. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been classified as critical. This affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument command leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-250791. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical was found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected by this vulnerability is the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249859. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability, which was classified as critical, has been found in Totolink LR1200GB 9.1.0u.6619_B20230130. This issue affects the function setSmsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument text leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-250787. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability, which was classified as critical, has been found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected by this issue is the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249860. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been declared as critical. This vulnerability affects the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument sPort leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250792. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-250794 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. Affected is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249864. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability has been found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. This vulnerability affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument host_time leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-249862 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130 and classified as critical. Affected by this issue is the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument sTime leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-250790 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink X2000R 1.0.0-B20221212.1452. It has been declared as critical. This vulnerability affects the function formTmultiAP of the file /bin/boa of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249856. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability classified as critical was found in Totolink X2000R_V2 2.0.0-B20230727.10434. This vulnerability affects the function formTmultiAP of the file /bin/boa. The manipulation leads to buffer overflow. VDB-249742 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. It has been classified as critical. This affects the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v41 leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249855. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability, which was classified as critical, was found in Totolink A7100RU 7.4cu.2313_B20191024. Affected is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument flag with the input ie8 leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248268. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability has been found in Totolink N350RT 9.3.5u.6139_B202012 and classified as critical. Affected by this vulnerability is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument http_host leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249853 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability was found in Totolink X5000R 9.1.0cu.2300_B20230112. It has been rated as critical. This issue affects the function setDdnsCfg/setDynamicRoute/setFirewallType/setIPSecCfg/setIpPortFilterRules/setLancfg/setLoginPasswordCfg/setMacFilterRules/setMtknatCfg/setNetworkConfig/setPortForwardRules/setRemoteCfg/setSSServer/setScheduleCfg/setSmartQosCfg/setStaticDhcpRules/setStaticRoute/setVpnAccountCfg/setVpnPassCfg/setVpnUser/setWiFiAclAddConfig/setWiFiEasyGuestCfg/setWiFiGuestCfg/setWiFiRepeaterConfig/setWiFiScheduleCfg/setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation leads to os command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-247247. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

On certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via an {"topicurl":"setting/getSanvas"} POST to the boafrm/formLogin URI, leading to a CAPTCHA bypass. (Also, the CAPTCHA text is not needed once the attacker has determined valid credentials. The attacker can perform router actions via HTTP requests with Basic Authentication.) This affects A3002RU through 2.0.0, A702R through 2.1.3, N301RT through 2.1.6, N302R through 3.4.0, N300RT through 3.4.0, N200RE through 4.0.0, N150RT through 3.4.0, and N100RE through 3.4.0.

TOTOlink A3700R v9.1.2u.5822_B20200513 was discovered to contain a remote command execution (RCE) vulnerability via the setTracerouteCfg function.

An issue discovered in TOTOLINK X6000R V9.4.0cu.852_B20230719 allows attackers to run arbitrary code via the sub_410118 function of the shttpd program.

TOTOlink A3700R v9.1.2u.5822_B20200513 was discovered to contain a remote command execution (RCE) vulnerability via the setDiagnosisCfg function.

TOTOlink EX1800T V9.1.0cu.2112_B20220316 was discovered to contain a remote command execution (RCE) vulnerability via the telnet_enabled parameter of the setTelnetCfg interface

TOTOlink A3700R v9.1.2u.5822_B20200513 was discovered to contain a remote command execution (RCE) vulnerability via the setOpModeCfg function.

TOTOlink A3700R v9.1.2u.5822_B20200513 was discovered to contain a remote command execution (RCE) vulnerability via the UploadFirmwareFile function.

TOTOLINK X6000R v9.4.0cu.852_B20230719 was discovered to contain a remote command execution (RCE) vulnerability via the component /cgi-bin/cstecgi.cgi.

TOTOLINK EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution on the cstecgi.cgi NTPSyncWithHost interface.

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanIp parameter’ of the setLanConfig interface of the cstecgi .cgi.

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘key5g’ parameter of the setWiFiExtenderConfig interface of the cstecgi .cgi.

TOTOLINK T10_v2 5.9c.5061_B20200511 has a stack-based buffer overflow in setStaticDhcpConfig in /lib/cste_modules/lan.so. Attackers can send crafted data in an MQTT packet, via the comment parameter, to control the return address and execute code.

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the comment parameter in the function FUN_00418c24.

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘opmode’ parameter of the setWiFiApConfig interface of the cstecgi .cgi.

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote code execution (RCE) vulnerability via the lang parameter in the setLanguageCfg function.

TOTOlink EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution via the cstecgi.cgi setOpModeCfg interface.

TOTOlink EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘hour’ parameter of the setRebootScheCfg interface of the cstecgi .cgi.

TOTOLINK CP300+ V5.2cu.7594_B20200910 was discovered to contain a stack overflow via the pingIp parameter in the function setDiagnosisCfg.

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘langFlag’ parameter of the setLanguageCfg interface of the cstecgi .cgi.

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain a stack overflow via the http_host parameter in the function loginAuth.

TOTOlink EX1200L V9.3.5u.6146_B20201023 is vulnerable to arbitrary command execution via the cstecgi.cgi UploadFirmwareFile interface.

A vulnerability classified as critical has been found in TOTOLINK T10 AC1200 4.1.8cu.5207. Affected is an unknown function of the file /squashfs-root/web_cste/cgi-bin/product.ini of the component Telnet Service. The manipulation leads to hard-coded credentials. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

TOTOLINK EX1800T 9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the apcliChannel parameter of the setWiFiExtenderConfig interface of the cstecgi.cgi.

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘tz’ parameter of the setNtpCfg interface of the cstecgi .cgi.

TOTOLINX EX1800T v9.1.0cu.2112_B20220316 is vulnerable to arbitrary command execution in the ‘enable parameter’ of the setDmzCfg interface of the cstecgi .cgi