CVE-2026-24109

CVE-2026-24109 affects the Tenda W20E router firmware (V4.0br_V15.11.0.6). The issue is a buffer overflow caused by unsafely using the value of the variable picName in sprintf without validating its size, which may allow remote attackers to exploit via network access. Documented impacts are high ...

CVE-2025-70252

An issue was discovered in /goform/WifiWpsStart in Tenda AC6V2.0 V15.03.06.23multi. The index and mode are controllable. If the conditions are met to sprintf, they will be spliced into tmp. It is worth noting that there is no size check,which leads to a stack overflow vulnerability...

PT-2026-22653

Name of the Vulnerable Software and Affected Versions Tenda AC15V1.0 versions prior to V15.03.05.18 multi Description An issue exists in the goform/formsetUsbUnload component of the software. The v1 variable is not properly validated, which could allow for command injection when used with the...

CVE-2026-24105

An issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18multi. The value of v1 was not checked, potentially leading to a command injection vulnerability if injected into doSystemCmd...

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-2026-24101

An issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18multi. When the condition is met, s11 will be passed into subB0488, concatenated into doSystemCmd. The value of s11 is not validated, potentially leading to a command injection vulnerability...

CVE-2026-24112

CVE-2026-24112 affects Tenda W20E V4.0br_V15.11.0.6. The issue is a buffer overflow in addWewifiWhiteUser caused by processing the userInfo parameter with sscanf without size validation. Impact across confidentiality, integrity, and availability is described in sources; some documents note potent...

CVE-2026-24111

CVE-2026-24111 affects the Tenda W20E router (v4.0br_V15.11.0.6). The issue arises when the value of the parameter userInfo is passed to the function addAuthUser and handled by a call to sscanf without proper size validation, which can lead to a buffer overflow . The public descriptions consisten...

CVE-2025-70252

An issue was discovered in /goform/WifiWpsStart in Tenda AC6V2.0 V15.03.06.23multi. The index and mode are controllable. If the conditions are met to sprintf, they will be spliced into tmp. It is worth noting that there is no size check,which leads to a stack overflow vulnerability...

CVE-2026-24108

CVE-2026-24108 affects Tenda W20E router, version 4.0br_V15.11.0.6. The issue is a buffer overflow in getMibPrefix caused by concatenating the user-controlled nptr value with sprintf without proper size validation. This could allow remote network access exploitation with high impact (CVSS 3.1: CV...

CVE-2026-24111

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Attackers may exploit the vulnerability by specifying the value of userInfo. When userInfo is passed into the addAuthUser function and processed by sscanf without size validation, it could lead to buffer overflow...

EUVD-2026-9181

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Attackers may exploit the vulnerability by controlling the value of nptr. When this value is passed into the getMibPrefix function and concatenated using sprintf without proper size validation, it could lead to a buffer overflow vulnerabilit...

PT-2026-22596

Name of the Vulnerable Software and Affected Versions Tenda W20E version 4.0br V15.11.0.6 Description An issue exists in the Tenda W20E router firmware. Attackers can exploit this issue by controlling the picName variable. The picName value is used in the sprintf function without proper size...

EUVD-2026-9197

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Attackers may send overly long addDhcpRules data. When these rules enter the addDhcpRule function and are processed by ret = sscanfpRule, " %d\t%^\t\t%^\n\r\t", &dhcpsIndex, dhcpsIP, dhcpsMac;, the lack of size validation for the rules could...

CVE-2026-24110

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Attackers may send overly long addDhcpRules data. When these rules enter the addDhcpRule function and are processed by ret = sscanfpRule, " %d\t%^\t\t%^\n\r\t", &dhcpsIndex, dhcpsIP, dhcpsMac;, the lack of size validation for the rules could...

Tenda W20E 安全漏洞

The Tenda W20E is a router produced by the Chinese company Tenda. The Tenda W20E V4.0brV15.11.0.6 version contains a security vulnerability. This vulnerability stems from the lack of verification of the picName parameter’s size, which may lead to a buffer overflow...

EUVD-2026-9186

An issue was discovered in Tenda W20E V4.0brV15.11.0.6. Failure to validate pPortMapIndex may lead to buffer overflows when using strcpy...

EUVD-2026-9133

A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapskcrypto24g results in stack-based buffer overflow. The attack may be launched remotely. The...

CVE-2026-3400

CVE-2026-3400 affects Tenda AC15 routers prior to 15.13.07.14, impacting the function in /goform/TextEditingConversion. The issue is a stack-based buffer overflow triggered by the wpapsk_crypto2_4g parameter, enabling remote exploitation. Multiple sources confirm an available exploit and remote a...

CVE-2026-3400 Tenda AC15 TextEditingConversion stack-based overflow

A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapskcrypto24g results in stack-based buffer overflow. The attack may be launched remotely. The...