The vulnerability of the gstruleQos function (goform/guestWifiRuleRefresh) in the Tenda W20E router software allows a intruder to execute arbitrary commands.

The vulnerability of the gstruleQos function goform/guestWifiRuleRefresh in the Tenda W20E router microprogramming software is related to the execution of operations outside the buffer in the gstup and gstdwn parameters’ memory. Exploiting this vulnerability allows a remote attacker to execute...

CVE-2026-24115

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Failure to validate the sizes of gstup and gstdwn before concatenating them into gstruleQos may lead to buffer overflow...

CVE-2026-24115

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Failure to validate the sizes of gstup and gstdwn before concatenating them into gstruleQos may lead to buffer overflow...

CVE-2026-24115

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Failure to validate the sizes of gstup and gstdwn before concatenating them into gstruleQos may lead to buffer overflow...

CVE-2026-24115

Summary (CVE-2026-24115) : Affects Tenda W20E router firmware version V4.0br_V15.11.0.6. The issue is a failure to validate the sizes of the buffers ‘gstup’ and ‘gstdwn’ before concatenating them into ‘gstruleQos’, which can cause a buffer overflow. CVSS v3.1 base score is 9.8 (CRITICAL) with net...

CVE-2026-24115

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Failure to validate the sizes of gstup and gstdwn before concatenating them into gstruleQos may lead to buffer overflow...

CVE-2026-24115

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Failure to validate the sizes of gstup and gstdwn before concatenating them into gstruleQos may lead to buffer overflow...

CVE-2026-24115: Buffer Copy without Checking Size of Input

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Failure to validate the sizes of gstup and gstdwn before concatenating them into gstruleQos may lead to buffer overflow...

Tenda W20E 安全漏洞

The Tenda W20E is a router produced by the Chinese company Tenda. The version Tenda W20E V4.0brV15.11.0.6 contains a security vulnerability. This vulnerability arises from the lack of size validation before connecting to gstup and gstdwn, which may lead to a buffer overflow...

CVE-2025-57070

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifiRuleRefresh function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

CVE-2025-57070

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifiRuleRefresh function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

CVE-2025-57070

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifiRuleRefresh function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

CVE-2025-57070

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifiRuleRefresh function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

CVE-2025-57070

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifiRuleRefresh function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

CVE-2025-57070: Stack-based Buffer Overflow

Tenda G3 v3.0brV15.11.0.17 was discovered to contain a stack overflow in the gstUp parameter in the guestWifiRuleRefresh function. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted request...

PT-2025-36897

Name of the Vulnerable Software and Affected Versions Tenda G3 version 3.0br V15.11.0.17 Description The Tenda G3 router contains a stack overflow in the gstUp parameter within the guestWifiRuleRefresh function. This issue allows attackers to cause a Denial of Service DoS via a crafted request...