Totolink CVEs & Vulnerabilities

41 CVEs affecting Totolink products, tracked from the National Vulnerability Database, with CVSS/EPSS scores and exploitation status.

Most Affected Products

a3300r 28a3300r firmware 28a3002ru firmware 3n300rh firmware 3x5000r 3x5000r firmware 3a3600r 2a3600r firmware 2
CVE-2026-31173MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the interval parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31169MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the week parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31168MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the recHour parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31167MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the mode parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31166MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the hour parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31163MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the dhcpMtu parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31162MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the ttlWay parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31181CRITICAL

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunServerAddr parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
9.8
CVSS
CVE-2026-31179MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunPort parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31178CRITICAL

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunMaxAlive parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
9.8
CVSS
CVE-2026-31177CRITICAL

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunMinAlive parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
9.8
CVSS
CVE-2026-31176MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stun_user parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31175CRITICAL

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the stunEnable parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
9.8
CVSS
CVE-2026-31174MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the informEnable parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31172MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the user parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31171MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the url parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31165MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the pppoeServiceName parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31164MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the pppoeMtu parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31160MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the provider parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31159MEDIUM

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557_B20221024 allowing attackers to execute arbitrary commands via the password parameter to /cgi-bin/cstecgi.cgi.

23 Apr 2026
6.5
CVSS
CVE-2026-31027CRITICAL

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.

1 Apr 2026
9.8
CVSS
CVE-2026-5178HIGH

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.

31 Mar 2026
8.8
CVSS
CVE-2026-5177HIGH

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.

31 Mar 2026
8.8
CVSS
CVE-2026-5176CRITICAL

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.

31 Mar 2026
9.8
CVSS
CVE-2026-5105HIGH

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.

30 Mar 2026
8.8
CVSS
CVE-2026-5104HIGH

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.

30 Mar 2026
8.8
CVSS
CVE-2026-5103HIGH

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.

30 Mar 2026
8.8
CVSS
CVE-2026-5102HIGH

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.

30 Mar 2026
8.8
CVSS
CVE-2026-5101HIGH

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.

30 Mar 2026
8.8
CVSS
CVE-2026-5030CRITICAL

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.

29 Mar 2026
9.8
CVSS
CVE-2026-5020CRITICAL

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.

29 Mar 2026
9.8
CVSS
CVE-2026-4976HIGH

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.

28 Mar 2026
8.8
CVSS
CVE-2026-3696CRITICAL

A vulnerability was found in Totolink N300RH 6..1c.1353_B20190305. The affected element is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation results in os command injection. The attack can be initiated remotely. The exploit has been made public and could be used.

8 Mar 2026
9.8
CVSS
CVE-2026-3301CRITICAL

A security flaw has been discovered in Totolink N300RH 6.1c.1353_B20190305. Affected by this vulnerability is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument webWlanIdx 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.

27 Feb 2026
9.8
CVSS
CVE-2025-67445HIGHpoc

TOTOLINK X5000R V9.1.0cu.2415_B20250515 contains a denial-of-service vulnerability in /cgi-bin/cstecgi.cgi. The CGI reads the CONTENT_LENGTH environment variable and allocates memory using malloc (CONTENT_LENGTH + 1) without sufficient bounds checking. When lighttpd s request size limit is not enforced, a crafted large POST request can cause memory exhaustion or a segmentation fault, leading to a crash of the management CGI and loss of availability of the web interface.

24 Feb 2026
7.5
CVSS
CVE-2025-70328HIGHpoc

TOTOLINK X6000R v9.4.0cu.1498_B20250826 contains an OS command injection vulnerability in the NTPSyncWithHost handler of the /usr/sbin/shttpd executable. The host_time parameter is retrieved via sub_40C404 and passed to a date -s shell command through CsteSystem. While the first two tokens of the input are validated, the remainder of the string is not sanitized, allowing authenticated attackers to execute arbitrary shell commands via shell metacharacters.

24 Feb 2026
8.8
CVSS
CVE-2025-70327CRITICAL

TOTOLINK X5000R v9.1.0cu_2415_B20250515 contains an argument injection vulnerability in the setDiagnosisCfg handler of the /usr/sbin/lighttpd executable. The ip parameter is retrieved via websGetVar and passed to a ping command through CsteSystem without validating if the input starts with a hyphen (-). This allows remote authenticated attackers to inject arbitrary command-line options into the ping utility, potentially leading to a Denial of Service (DoS) by causing excessive resource consumption or prolonged execution.

24 Feb 2026
9.8
CVSS
CVE-2025-70329HIGHpoc

TOTOLink X5000R v9.1.0cu_2415_B20250515 contains an OS command injection vulnerability in the setIptvCfg handler of the /usr/sbin/lighttpd executable. The vlanVidLan1 (and other vlanVidLanX) parameters are retrieved via Uci_Get_Str and passed to the CsteSystem function without adequate validation or filtering. This allows an authenticated attacker to execute arbitrary shell commands with root privileges by injecting shell metacharacters into the affected parameters.

23 Feb 2026
8.0
CVSS
CVE-2026-26736HIGHpoc

TOTOLINK A3002RU_V3 V3.0.0-B20220304.1804 was discovered to contain a stack-based buffer overflow via the static_ipv6 parameter in the formIpv6Setup function.

17 Feb 2026
8.8
CVSS
CVE-2026-26732HIGHpoc

TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the vpnUser or vpnPassword` parameters in the formFilter function.

17 Feb 2026
8.8
CVSS
CVE-2026-26731HIGHpoc

TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.

17 Feb 2026
8.8
CVSS
← PrevPage 1 / 1Next →