TOTOLINK N300RH buffer overflow vulnerability (CNVD-2026-32747)

TOTOLINK N300RH is a 300Mbps single-band long-range wireless router launched by the TOTOLINK brand. It operates on the IEEE802.11n standard and is designed to enhance wireless coverage. The TOTOLINK N300RH has a buffer overflow vulnerability. This vulnerability stems from the loginauth function i...

CVE-2026-7719

A security flaw has been discovered in Totolink WA300 5.2cu.7112B20190227. 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 httphost results in buffer overflow. The attack may be launched...

CVE-2026-7750

A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument macaddress results in buffer overflow. The attack may be launched...

EUVD-2026-27221

A security flaw has been discovered in Totolink A8000RU 7.1cu.643b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched remotely. The exploit has been released to the...

CVE-2026-7823

A security flaw has been discovered in Totolink A8000RU 7.1cu.643b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched remotely. The exploit has been released to the...

CVE-2026-7823

CVE-2026-7823 affects Totolink A8000RU firmware 7.1cu.643_b20200521. The vulnerable component is the function setAppFilterCfg in /cgi-bin/cstecgi.cgi, where manipulation of the enable argument enables OS command injection. This attack is remote, with public exploits available, and the CVSS metric...

CVE-2026-7823

A security flaw has been discovered in Totolink A8000RU 7.1cu.643b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched remotely. The exploit has been released to the...

CVE-2026-7823 Totolink A8000RU cstecgi.cgi setAppFilterCfg os command injection

A security flaw has been discovered in Totolink A8000RU 7.1cu.643b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched remotely. The exploit has been released to the...

CVE-2026-7823 Totolink A8000RU cstecgi.cgi setAppFilterCfg os command injection

A security flaw has been discovered in Totolink A8000RU 7.1cu.643b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched remotely. The exploit has been released to the...

CVE-2026-7718

A vulnerability was identified in Totolink WA300 5.2cu.7112B20190227. 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...

PT-2026-36975

Name of the Vulnerable Software and Affected Versions Totolink A8000RU version 7.1cu.643 b20200521 Description A security flaw allows remote OS command injection via the manipulation of the enable argument. This issue occurs within the setAppFilterCfg function located in the "/cgi-bin/cstecgi.cgi...

TOTOLINK A8000RU 命令注入漏洞

TOTOLINK A8000RU is a wireless router produced by TOTOLINK, a Chinese company. The TOTOLINK A8000RU 7.1cu.643b20200521 version contains a command injection vulnerability. This vulnerability stems from the operation of the setAppFilterCfg function in the /cgi-bin/cstecgi.cgi file, specifically wit...

CVE-2026-7823: Improper Neutralization of Special Elements used in an OS Command

A security flaw has been discovered in Totolink A8000RU 7.1cu.643b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched remotely. The exploit has been released to the...

The vulnerability of the `setUpgradeFW()` function in the `cgi-bin/cstecgi.cgi` script of the TOTOLINK N300RH router’s microprogramming software allows a perpetrator to execute arbitrary code or cause service failures.

The vulnerability of the setUpgradeFW function in the cgi-bin/cstecgi.cgi script of the TOTOLINK N300RH router microprogramming system is related to the escape operation from memory buffers when processing the FileName variable. Exploiting this vulnerability allows an attacker to execute arbitrar...

CVE-2026-7633

A vulnerability was identified in Totolink N300RH 6.1c.1353B20190305. This impacts the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument FileName leads to file inclusion. The attack may be performed from remote. The exploit is publicly available and mig...

CVE-2026-7749

A security vulnerability has been detected in Totolink N300RH 3.2.4-B20220812. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument priDns leads to buffer overflow. The attack may be initiated remotely. The...

CVE-2026-7750

A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument macaddress results in buffer overflow. The attack may be launched...

CVE-2026-7748

A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName can lead to buffer overflow. The attack can be launched...

CVE-2026-7747

A security flaw has been discovered in Totolink N300RH 3.2.4-B20220812. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument Password results in buffer overflow. The attack can be...

CVE-2026-7750 Totolink N300RH POST Request cstecgi.cgi setMacFilterRules buffer overflow

A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument macaddress results in buffer overflow. The attack may be launched...