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CVE-2026-4041— Tenda i12 exeCommand vos_strcpy stack-based overflow

CVSS 8.8 · High EPSS 0.75% · P52

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4041

Vulnerability Information
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Vulnerability Title
Tenda i12 exeCommand vos_strcpy stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Tenda i12 1.0.0.6(2204). Impacted is the function vos_strcpy of the file /goform/exeCommand. The manipulation of the argument cmdinput results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda i12 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda i12是中国腾达（Tenda）公司的一款腾达吸顶式无线接入点。 Tenda i12 1.0.0.6(2204)版本存在安全漏洞，该漏洞源于文件/goform/exeCommand的函数vos_strcpy对参数cmdinput的错误操作，可能导致栈缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Tendai12 1.0.0.6(2204) cpe:2.3:o:tenda:i12_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4041

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7463 chars
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III. Intelligence Information for CVE-2026-4041

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Vendor Advisories for CVE-2026-4041 (2)

News Coverage for CVE-2026-4041 (1)

Same Patch Batch · Tenda · 2026-03-12 · 12 CVEs total

CVE-2026-40438.8 HIGHTenda i12 wifiSSIDget formwrlSSIDget stack-based overflow
CVE-2026-40428.8 HIGHTenda i12 WifiMacFilterGet formWifiMacFilterGet stack-based overflow
CVE-2026-40088.8 HIGHTenda W3 POST Parameter wifiSSIDset stack-based overflow
CVE-2026-40078.8 HIGHTenda W3 POST Parameter wifiSSIDget stack-based overflow
CVE-2026-39768.8 HIGHTenda W3 POST Parameter WifiMacFilterSet formWifiMacFilterSet stack-based overflow
CVE-2026-39758.8 HIGHTenda W3 POST Parameter WifiMacFilterGet formWifiMacFilterGet stack-based overflow
CVE-2026-39748.8 HIGHTenda W3 HTTP exeCommand formexeCommand stack-based overflow
CVE-2026-39738.8 HIGHTenda W3 POST Parameter setAutoPing formSetAutoPing stack-based overflow
CVE-2026-39728.8 HIGHTenda W3 HTTP setcfm formSetCfm stack-based overflow
CVE-2026-39718.8 HIGHTenda i3 wifiSSIDset formwrlSSIDset stack-based overflow
CVE-2026-39708.8 HIGHTenda i3 wifiSSIDget formwrlSSIDget stack-based overflow

IV. Related Vulnerabilities

Same product: i12
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2026-4041

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