CVE-2026-5688: Improper Neutralization of Special Elements used in an OS Command

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313b20191024. Impacted is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit has been disclosed...

CVE-2025-12239

A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public...

The vulnerability of the setDdnsCfg() function in the cgi-bin/cstecgi.cgi script of the TOTOLINK A3300R router’s microprogramming software allows a intruder to trigger a service failure.

The vulnerability of the setDdnsCfg function in the cgi-bin/cstecgi.cgi script of the TOTOLINK A3300R router’s microprogramming system is related to the copying of buffers without checking the size of the input data. Exploiting this vulnerability could allow an attacker to cause service...

CVE-2025-12239

A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public...

CVE-2025-12239 TOTOLINK A3300R cstecgi.cgi setDdnsCfg buffer overflow

A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public...

EUVD-2025-36098

A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public...

CVE-2025-12239: Buffer Copy without Checking Size of Input

A weakness has been identified in TOTOLINK A3300R 17.0.0cu.557B20221024. The impacted element is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Executing manipulation can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public...

TOTOLINK A3300R 安全漏洞

TOTOLINK A3300R is a dual-band wireless router manufactured by China's Gion Electronics TOTOLINK, mainly used for home and small network environments. The TOTOLINK A3300R suffers from a buffer overflow vulnerability that originates from the failure of the function setDdnsCfg in the file...

The vulnerability of the SetValue() and GetValue() functions in Tenda AC15 microprogrammable routers allows a hacker to execute arbitrary code or cause service interruptions.

The vulnerability of the SetValue and GetValue functions in Tenda AC15 microprogramming devices stems from the operation of the function beyond the buffer in memory when processing the ddnsEn parameter for the /goform/SetDDNSCfg endpoint. Exploiting this vulnerability allows a remote attacker to...

The vulnerability of the adv.ddns1.en configuration of the Tenda AC18 microprogramming-based router software, which allows a hacker to cause a service failure.

The vulnerability of the adv.ddns1.en configuration of the Tenda AC18 microprogrammed routing software is related to the issue of writing operations outside the buffer during the processing of the ddnsEn parameter for the /goform/SetDDNSCfg endpoint. Exploiting this vulnerability allows a malicio...

Tenda AC18 ddnsEn Parameter Stack Buffer Overflow Vulnerability

Tenda AC18 is a dual-band wireless router launched by Shenzhen Jixiang Tenda Technology Co. in July 2016, mainly for villas and large home users. Tenda AC18 has a stack buffer overflow vulnerability, which originates from the parameter ddnsEn in the file /goform/SetDDNSCfg fails to correctly...

PT-2025-43895

Name of the Vulnerable Software and Affected Versions TOTOLINK A3300R version 17.0.0cu.557 B20221024 Description A weakness exists in TOTOLINK A3300R. The issue is related to a buffer overflow in the setDdnsCfg function within the /cgi-bin/cstecgi.cgi file. This can be exploited remotely. The...

CVE-2025-11524

A flaw has been found in Tenda AC7 15.03.06.44. This issue affects some unknown processing of the file /goform/SetDDNSCfg. This manipulation of the argument ddnsEn causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used...

CVE-2025-11524

CVE-2025-11524 affects Tenda AC7 routers (firmware 15.03.06.44). The defect is a stack-based buffer overflow in /goform/SetDDNSCfg via the ddnsEn parameter, enabling remote code execution (exploit published; PoC/attacks possible). Exploit maturity: PoC. Remediation: update to a newer firmware ver...

Tenda AC7 安全漏洞

Tenda AC7 is a wireless router from Tenda, a Chinese company. A buffer overflow vulnerability exists in Tenda AC7 version 15.03.06.44, which originates from the parameter ddnsEn in the file /goform/SetDDNSCfg that fails to correctly validate the length and size of the input data, and can be...

CVE-2025-11524: Stack-based Buffer Overflow

A flaw has been found in Tenda AC7 15.03.06.44. This issue affects some unknown processing of the file /goform/SetDDNSCfg. This manipulation of the argument ddnsEn causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used...

EUVD-2025-32706

A vulnerability was found in Tenda AC15 15.03.05.18. The impacted element is an unknown function of the file /goform/SetDDNSCfg of the component POST Parameter Handler. The manipulation of the argument ddnsEn results in stack-based buffer overflow. The attack can be launched remotely. The exploit...

CVE-2025-11386

A vulnerability was found in Tenda AC15 15.03.05.18. The impacted element is an unknown function of the file /goform/SetDDNSCfg of the component POST Parameter Handler. The manipulation of the argument ddnsEn results in stack-based buffer overflow. The attack can be launched remotely. The exploit...

CVE-2025-11386 Tenda AC15 POST Parameter SetDDNSCfg stack-based overflow

A vulnerability was found in Tenda AC15 15.03.05.18. The impacted element is an unknown function of the file /goform/SetDDNSCfg of the component POST Parameter Handler. The manipulation of the argument ddnsEn results in stack-based buffer overflow. The attack can be launched remotely. The exploit...

EUVD-2025-32522

A vulnerability was detected in Tenda AC18 15.03.05.196318. This issue affects some unknown processing of the file /goform/SetDDNSCfg. The manipulation of the argument ddnsEn results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be...