CVE-2026-82539

CVE-2026-82539 Information Vendor: TOTOLINK Vendor's website: TOTOLINK Model: A720R Firmware version: V4.1.5cu.630B20250509 Firmware download address: TOTOLINK Severity CVSS v4.0 Base Score: 9.4 Critical Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P Vulnerability...

CVE-2026-124060

A vulnerability was detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used...

CVE-2026-124060

A buffer overflow vulnerability exists in the TOTOLINK CA300-PoE (firmware version 6.2c.884) within the UploadCustomModule function of the /cgi-bin/cstecgi.cgi file. The vulnerability is triggered by manipulating the File argument, which can be exploited remotely. This flaw allows for a potential...

CVE-2026-124060 TOTOLINK CA300-PoE cstecgi.cgi UploadCustomModule buffer overflow

A vulnerability was detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used...

EUVD-2026-119328

A vulnerability was detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used...

CVE-2026-124060 TOTOLINK CA300-PoE cstecgi.cgi UploadCustomModule buffer overflow

A vulnerability was detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used...

CVE-2026-124059

A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this vulnerability is the function setWiFiWdsAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ApCliKeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit...

CVE-2026-124058

A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. Affected is the function setWiFiRepeaterConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ApCliKeyStr can lead to buffer overflow. The attack can be launched remotely. The exploit has been made availabl...

EUVD-2026-119326

A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this vulnerability is the function setWiFiWdsAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ApCliKeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit...

CVE-2026-124059 TOTOLINK CA300-PoE cstecgi.cgi setWiFiWdsAddConfig buffer overflow

A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this vulnerability is the function setWiFiWdsAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ApCliKeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit...

CVE-2026-124059

The TOTOLINK CA300-PoE (version 6.2c.884) is susceptible to a buffer overflow vulnerability within the setWiFiWdsAddConfig function of the /cgi-bin/cstecgi.cgi file. The flaw is triggered by manipulating the ApCliKeyStr argument. This vulnerability can be exploited remotely , potentially leading ...

CVE-2026-124059 TOTOLINK CA300-PoE cstecgi.cgi setWiFiWdsAddConfig buffer overflow

A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. Affected by this vulnerability is the function setWiFiWdsAddConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ApCliKeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit...

CVE-2026-124058

A buffer overflow vulnerability exists in TOTOLINK CA300-PoE running firmware version 6.2c.884 . The flaw is located in the setWiFiRepeaterConfig function within the /cgi-bin/cstecgi.cgi file. By manipulating the ApCliKeyStr argument, a remote attacker can trigger a buffer overflow. This vulnerab...

EUVD-2026-119325

A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. Affected is the function setWiFiRepeaterConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ApCliKeyStr can lead to buffer overflow. The attack can be launched remotely. The exploit has been made availabl...

CVE-2026-124058 TOTOLINK CA300-PoE cstecgi.cgi setWiFiRepeaterConfig buffer overflow

A weakness has been identified in TOTOLINK CA300-PoE 6.2c.884. Affected is the function setWiFiRepeaterConfig of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument ApCliKeyStr can lead to buffer overflow. The attack can be launched remotely. The exploit has been made availabl...

CVE-2026-124057

A security flaw exists in TOTOLINK CA300-PoE firmware version 6.2c.884 . The vulnerability is located in the setWiFiMultipleConfig function within the /cgi-bin/cstecgi.cgi file. By manipulating the Key1Str1 argument, a remote attacker can trigger a buffer overflow . Public exploits for this vulne...

CVE-2026-124057 TOTOLINK CA300-PoE cstecgi.cgi setWiFiMultipleConfig buffer overflow

A security flaw has been discovered in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiMultipleConfig of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument Key1Str1 results in buffer overflow. The attack can be initiated remotely. The exploit has been released ...

EUVD-2026-119324

A security flaw has been discovered in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiMultipleConfig of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument Key1Str1 results in buffer overflow. The attack can be initiated remotely. The exploit has been released ...

CVE-2026-123961

A security vulnerability has been detected in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiBasicConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument KeyStr leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly...

CVE-2026-123959

A security flaw has been discovered in TOTOLINK CA300-PoE 6.2c.884. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument langType results in buffer overflow. The attack can be initiated remotely. The exploit has been...