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CVE-2024-2894— Tenda AC7 SetNetControlList formSetQosBand stack-based overflow

Quick assessment

Affected
Tenda AC7
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda AC7是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC7 15.03.06.44 版本存在安全漏洞，该漏洞源于 formSetQosBand 方法的 list 参数存在缓冲区溢出漏洞。

CVSS 8.8 · High EPSS 1.58% · P73

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-2894

Vulnerability Information
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Vulnerability Title
Tenda AC7 SetNetControlList formSetQosBand stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda AC7 15.03.06.44. It has been classified as critical. This affects the function formSetQosBand of the file /goform/SetNetControlList. The manipulation of the argument list leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-257937 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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 AC7 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC7是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC7 15.03.06.44 版本存在安全漏洞，该漏洞源于 formSetQosBand 方法的 list 参数存在缓冲区溢出漏洞。
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

Vendor Product Affected Versions CPE Subscribe
Tenda AC7 15.03.06.44 -

II. Public POCs for CVE-2024-2894

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7343 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2024-2894

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Vendor Advisories for CVE-2024-2894 (3)

Other References for CVE-2024-2894 (1)

Same Patch Batch · Tenda · 2024-03-26 · 13 CVEs total

CVE-2024-2891 8.8 HIGH Tenda AC7 QuickIndex formQuickIndex stack-based overflow
CVE-2024-2892 8.8 HIGH Tenda AC7 setcfm formSetCfm stack-based overflow
CVE-2024-2893 8.8 HIGH Tenda AC7 SetOnlineDevName formSetDeviceName stack-based overflow
CVE-2024-2895 8.8 HIGH Tenda AC7 WifiWpsOOB formWifiWpsOOB stack-based overflow
CVE-2024-2896 8.8 HIGH Tenda AC7 WifiWpsStart formWifiWpsStart stack-based overflow
CVE-2024-2898 8.8 HIGH Tenda AC7 SetStaticRouteCfg fromSetRouteStatic stack-based overflow
CVE-2024-2899 8.8 HIGH Tenda AC7 WifiExtraSet fromSetWirelessRepeat stack-based overflow
CVE-2024-2900 8.8 HIGH Tenda AC7 saveParentControlInfo stack-based overflow
CVE-2024-2901 8.8 HIGH Tenda AC7 openSchedWifi setSchedWifi stack-based overflow
CVE-2024-2902 8.8 HIGH Tenda AC7 WifiGuestSet fromSetWifiGusetBasic stack-based overflow
CVE-2024-2903 8.8 HIGH Tenda AC7 GetParentControlInfo stack-based overflow
CVE-2024-2897 6.3 MEDIUM Tenda AC7 WriteFacMac formWriteFacMac os command injection

IV. Related Vulnerabilities

Same product: AC7
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2024-2894

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