CVE-2026-9431— Tenda F1202 PptpUserAdd fromPptpUserAdd stack-based overflow
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-9431
Vulnerability Information
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Vulnerability Title
Tenda F1202 PptpUserAdd fromPptpUserAdd stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was identified in Tenda F1202 1.2.0.20(408). This affects the function fromPptpUserAdd of the file /goform/PptpUserAdd. The manipulation of the argument opttype leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tenda F1202 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda F1202是中国腾达（Tenda）公司的一款采用第五代技术的双频 Wi-Fi 路由器。 Tenda F1202 1.2.0.20(408)版本存在安全漏洞，该漏洞源于/goform/PptpUserAdd文件中函数fromPptpUserAdd对参数opttype的操作，可能导致栈缓冲区溢出。攻击者可远程发起攻击。
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
II. Public POCs for CVE-2026-9431
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCVerified env Premium
Qwen3.6-35B-A3B · 8504 chars
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III. Intelligence Information for CVE-2026-9431
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Other References for CVE-2026-9431 (1)
Same Patch Batch · Tenda · 2026-05-25 · 4 CVEs total
| CVE-2026-9430 | 8.8 HIGH | Tenda F1202 GstDhcpSetSerof formGstDhcpSetSer stack-based overflow |
| CVE-2026-9429 | 8.8 HIGH | Tenda F1202 WrlExtraSet formWrlExtraSet stack-based overflow |
| CVE-2026-9428 | 8.8 HIGH | Tenda F1202 PPTPUserSetting fromPPTPUserSetting stack-based overflow |
IV. Related Vulnerabilities
Same product: F1202
- CVE-2026-9430
Tenda F1202 GstDhcpSetSerof formGstDhcpSetSer stack-based ov - CVE-2026-9429
Tenda F1202 WrlExtraSet formWrlExtraSet stack-based overflow - CVE-2026-9428
Tenda F1202 PPTPUserSetting fromPPTPUserSetting stack-based - CVE-2025-9806
Tenda F1202 Administrative shadow hard-coded credentials - CVE-2024-3878
Tenda F1202 webExcptypemanFilter fromwebExcptypemanFilter st
Same vendor: Tenda
- CVE-2026-11557
Tenda F451 Web Management Natlimit fromNatlimit stack-based - CVE-2026-11556
Tenda F451 Web Management WriteFacMac formWriteFacMac os com - CVE-2026-11553
Tenda HG7HG9/HG10 formPPPEdit stack-based overflow - CVE-2026-11528
Tenda AC18 Web Management getRebootStatus sub_45304 stack-ba - CVE-2026-11524
Tenda W20E Web Management modifyWifiFilterRules stack-based
Same weakness: CWE-121
- CVE-2026-10829
NPort W2150A-W4/W2250A-W4远程代码执行漏洞 - CVE-2026-7273
Zyxel GS1900-48HPv2固件堆栈溢出致命令执行 - CVE-2026-12222
Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToo - CVE-2026-12221
Yealink SIP-T46U Firmware Chunk Upload upgrade sprintf stack - CVE-2026-12220
Yealink SIP-T46U Firmware Chunk Upload handler accupgradebyc
V. Comments for CVE-2026-9431
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