Totolink WA300 vulnerabilities

CVE-2026-7721 Medium · 6.3 CWE-74 May 4, 2026

Totolink WA300 cstecgi.cgi NTPSyncWithHost command injection

A security vulnerability has been detected in Totolink WA300 5.2cu.7112_B20190227. This affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument hostTime leads to command injection. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

CVE-2026-7720 Medium · 6.3 CWE-74 May 3, 2026

Totolink WA300 POST Request cstecgi.cgi setLanguageCfg command injection

A weakness has been identified in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument langType causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

CVE-2026-7719 Critical · 9.8 CWE-119 May 3, 2026

Totolink WA300 Buffer Overflow in loginauth via cstecgi.cgi (CVE-2026-7719)

A security flaw has been discovered in Totolink WA300 5.2cu.7112_B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument http_host results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

CVE-2026-7718 Medium · 6.3 CWE-74 May 3, 2026

Totolink WA300 POST Request cstecgi.cgi setWebWlanIdx command injection

A vulnerability was identified in Totolink WA300 5.2cu.7112_B20190227. Impacted is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument webWlanIdx leads to command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

CVE-2026-7717 High · 8.8 CWE-119 May 3, 2026

Totolink WA300 POST Request cstecgi.cgi UploadCustomModule buffer overflow

A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument File can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

CVE-2026-4497 Critical · 9.8 CWE-78 Mar 20, 2026

Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection

A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. Affected by this issue is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

CVE-2026-2167 High · 8.8 CWE-78 Feb 8, 2026

Totolink WA300 cstecgi.cgi setAPNetwork os command injection

A vulnerability was detected in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setAPNetwork of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Ipaddr results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.

CVE-2026-0641 High · 8.8 CWE-77 Jan 6, 2026

TOTOLINK WA300 cstecgi.cgi sub_401510 command injection

A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227. This vulnerability affects the function sub_401510 of the file cstecgi.cgi. The manipulation of the argument UPLOAD_FILENAME leads to command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.