CVE Intelligence

Totolink vulnerabilities

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Published CVEs affecting Totolink products: 242 record(s), with severity, exploitation and fixes.

Exploited only (KEV) →

CVE-2026-105484 Critical · 10.0 CWE-77 Oct 5, 2026
TOTOLINK X6000R UploadFirmwareFile cstecgi.cgi firmware_check os command injection
A security vulnerability has been detected in TOTOLINK X6000R 9.4.0cu.652_B20230116. The impacted element is the function firmware_check of the file /cgi-bin/cstecgi.cgi of the component UploadFirmwareFile Handler. Such manipulation of the argument file_name leads to os command injection. The attack may be performed from remote.
CVE-2026-105286 Medium · 6.3 CWE-22 Oct 5, 2026
Totolink A3002MU File Upload formUploadFile sub_44B250 path traversal
A vulnerability was detected in Totolink A3002MU 1.0.0-B20230403.1455. This impacts the function sub_44B250 of the file /boafrm/formUploadFile of the component File Upload Handler. The manipulation of the argument filename results in path traversal. The attack can be executed remotely. The exploit is now public and may be used.
CVE-2026-105285 Critical · 10.0 CWE-119 Oct 5, 2026
Totolink A3002MU QoS Rule formIpQoS stack-based overflow
A security vulnerability has been detected in Totolink A3002MU 1.0.0-B20230403.1455. This affects an unknown function of the file /boafrm/formIpQoS of the component QoS Rule Handler. The manipulation of the argument addQos/comment/entry_name leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
CVE-2026-105284 Critical · 10.0 CWE-266 Oct 5, 2026
Totolink A3002MU Authentication Check boa sub_40FCFC improper authorization
A weakness has been identified in Totolink A3002MU 1.0.0-B20230403.1455. The impacted element is the function sub_40FCFC of the file /bin/boa of the component Authentication Check. Executing a manipulation can lead to improper authorization. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
CVE-2026-15701 Critical · 9.8 CWE-119 Jul 14, 2026
Totolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflow
A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. Affected by this issue is the function Form_Logout of the file /formLogout.htm of the component lighttpd. This manipulation of the argument Host causes stack-based buffer overflow. 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-2026-15271 High · 7.5 CWE-266 Jul 9, 2026
TOTOLINK EX200 Web boa.conf least privilege violation
A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185R_T10 and EX200 up to 20260906. Affected by this issue is some unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. The manipulation leads to least privilege violation. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitation is known to be difficult.
CVE-2026-15204 Medium · 5.3 CWE-22 Jul 9, 2026
TOTOLINK X5000R OpenVPN Export cstecgi.cgi exportOvpn path traversal
A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415_B20250515/9.1.0cu.2350_B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched remotely.
CVE-2026-44089 Critical · 9.4 CWE-121 Jun 23, 2026
Totolink EX1200L Stack-based Buffer Overflow in Login Handler (CVE-2026-44089)
Totolink EX1200L router is vulnerable to Buffer Overflow in the login functionality in cgi-bin/cstecgi.cgi endpoint. This vulnerability could be exploited to cause the program to crash and to execute code remotely. This allows the attacker to perform actions as root including reading and editing data, as well as bricking the router. Because vendor contact attempts were unsuccessful, the vulnerability has only been confirmed in version 9.3.5u.6146_B20201023 but may also affect other versions.
CVE-2026-11620 Medium · 5.3 CWE-266 Jun 9, 2026
TOTOLINK EX200 vsftpd vsftpd.conf least privilege violation
A security flaw has been discovered in TOTOLINK EX200 4.0.3c.7646. This affects an unknown function of the file /etc/vsftpd.conf of the component vsftpd. The manipulation results in least privilege violation. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
CVE-2026-11554 Medium · 4.3 CWE-266 Jun 8, 2026
TOTOLINK CP450 vsftpd vsftpd.conf least privilege violation
A vulnerability was determined in TOTOLINK CP450 4.1.0cu.747. This vulnerability affects unknown code of the file /etc/vsftpd.conf of the component vsftpd. This manipulation causes least privilege violation. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.
CVE-2026-11494 Medium · 4.3 CWE-266 Jun 8, 2026
TOTOLINK AC1200 T8 vsftpd vsftpd.conf least privilege violation
A security vulnerability has been detected in TOTOLINK AC1200 T8 4.1.5cu.8611. This affects an unknown function of the file /etc/vsftpd.conf of the component vsftpd. The manipulation leads to least privilege violation. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
CVE-2026-10187 Critical · 9.8 CWE-119 May 31, 2026
Totolink N300RH Web Management wireless.so setWiFiBasicConfig stack-based overflow
A vulnerability was detected in Totolink N300RH 6.1c.1353_B20190305. Affected by this issue is the function setWiFiBasicConfig of the file wireless.so of the component Web Management Interface. Performing a manipulation of the argument KeyStr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
CVE-2026-9543 Critical · 9.8 CWE-77 May 26, 2026
Totolink N300RH Web Management cstecgi.cgi setPasswordCfg os command injection
A vulnerability has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument admpass leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.
CVE-2026-9534 Medium · 6.3 CWE-77 May 26, 2026
Totolink CA750-PoE Setting cstecgi.cgi setWiFiWpsConfig os command injection
A flaw has been found in Totolink CA750-PoE 6.2c.510. This affects the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Executing a manipulation of the argument PIN can lead to os command injection. It is possible to launch the attack remotely. The exploit has been published and may be used.
CVE-2026-9533 Medium · 6.3 CWE-77 May 26, 2026
Totolink CA750-PoE Setting cstecgi.cgi recvUpgradeNewFw os command injection
A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The impacted element is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Performing a manipulation of the argument fwUrl/magicid results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.
CVE-2026-9532 Medium · 6.3 CWE-77 May 26, 2026
Totolink CA750-PoE Setting cstecgi.cgi setUploadUserData os command injection
A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument FileName leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
CVE-2026-9531 Medium · 6.3 CWE-77 May 26, 2026
Totolink CA750-PoE Setting cstecgi.cgi setUpgradeUboot os command injection
A weakness has been identified in Totolink CA750-PoE 6.2c.510. Impacted is the function setUpgradeUboot of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. This manipulation of the argument FileName 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-2026-9515 Medium · 6.3 CWE-77 May 25, 2026
Totolink CA750-PoE Setting cstecgi.cgi setUnloadUserData os command injection
A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation of the argument plugin_version results in os command injection. The attack may be launched remotely. The exploit is now public and may be used.
CVE-2026-9514 Medium · 6.3 CWE-77 May 25, 2026
Totolink CA750-PoE Setting cstecgi.cgi setNetworkDiag os command injection
A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. Impacted is the function setNetworkDiag of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation of the argument NetDiagHost/NetDiagPingNum/NetDiagPingSize/NetDiagPingTimeOut/NetDiagTracertHop is directly passed by the attacker/so we can control the NetDiagHost/NetDiagPingNum/NetDiagPingSize/NetDiagPingTimeOut/NetDiagTracertHop leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
CVE-2026-9513 Medium · 6.3 CWE-77 May 25, 2026
Totolink CA750-PoE Setting cstecgi.cgi NTPSyncWithHost os command injection
A weakness has been identified in Totolink CA750-PoE 6.2c.510. This issue affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Executing a manipulation of the argument host_time can lead to os command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
CVE-2026-9512 Medium · 6.3 CWE-77 May 25, 2026
Totolink CA750-PoE Setting cstecgi.cgi setPasswordCfg os command injection
A security flaw has been discovered in Totolink CA750-PoE 6.2c.510. This vulnerability affects the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Performing a manipulation of the argument admuser/admpass 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.
CVE-2026-9511 Medium · 6.3 CWE-77 May 25, 2026
Totolink CA750-PoE Setting cstecgi.cgi setWebWlanIdx os command injection
A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
CVE-2026-9478 Critical · 9.8 CWE-77 May 25, 2026
Totolink A8000RU Web Management cstecgi.cgi setParentalRules os command injection
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
CVE-2026-9477 Critical · 9.8 CWE-77 May 25, 2026
Totolink A8000RU Web Management cstecgi.cgi setAccessDeviceCfg os command injection
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function setAccessDeviceCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument mac results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
CVE-2026-9476 Critical · 9.8 CWE-77 May 25, 2026
Totolink A8000RU Web Management cstecgi.cgi setPasswordCfg os command injection
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument admpass leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might be used.