CVE-2024-4240— Tenda W9 formQosManageDouble_user stack-based overflow
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I. Basic Information for CVE-2024-4240
Vulnerability Information
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Vulnerability Title
Tenda W9 formQosManageDouble_user stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in Tenda W9 1.0.0.7(4456). It has been classified as critical. This affects the function formQosManageDouble_user. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-262131. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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 W9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda W9是中国腾达（Tenda）公司的一款无线入墙接入点。 Tenda W9 1.0.0.7(4456)版本存在安全漏洞，该漏洞源于对参数 ssidIndex 的错误操作会导致基于堆栈的缓冲区溢出。
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
II. Public POCs for CVE-2024-4240
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- Submit #319822: Tenda W9 V1.0.0.7(4456) Buffer Overflowthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2024-4240
Same Patch Batch · Tenda · 2024-04-26 · 9 CVEs total
| CVE-2024-4244 | 8.8 HIGH | Tenda W9 DhcpSetSer fromDhcpSetSer stack-based overflow |
| CVE-2024-4243 | 8.8 HIGH | Tenda W9 wifiSSIDset formwrlSSIDset stack-based overflow |
| CVE-2024-4242 | 8.8 HIGH | Tenda W9 wifiSSIDget formwrlSSIDget stack-based overflow |
| CVE-2024-4241 | 8.8 HIGH | Tenda W9 formQosManageDouble_auto stack-based overflow |
| CVE-2024-4239 | 8.8 HIGH | Tenda AX1806 SetRebootTimer formSetRebootTimer stack-based overflow |
| CVE-2024-4238 | 8.8 HIGH | Tenda AX1806 SetOnlineDevName formSetDeviceName stack-based overflow |
| CVE-2024-4237 | 8.8 HIGH | Tenda AX1806 execCommand R7WebsSecurityHandler stack-based overflow |
| CVE-2024-4236 | 8.8 HIGH | Tenda AX1803 SetDDNSCfg formSetSysToolDDNS stack-based overflow |
IV. Related Vulnerabilities
Same product: W9
- CVE-2024-4244
Tenda W9 DhcpSetSer fromDhcpSetSer stack-based overflow - CVE-2024-4243
Tenda W9 wifiSSIDset formwrlSSIDset stack-based overflow - CVE-2024-4242
Tenda W9 wifiSSIDget formwrlSSIDget stack-based overflow - CVE-2024-4241
Tenda W9 formQosManageDouble_auto stack-based overflow - CVE-2024-0542
Tenda W9 httpd formWifiMacFilterGet stack-based overflow
Same vendor: Tenda
- CVE-2026-8265
Tenda AC6 httpd getLogFile get_log_file os command injection - CVE-2026-8264
Tenda AC6 httpd WifiApScan formWifiApScan os command injecti - CVE-2026-8263
Tenda AC6 httpd WifiExtraSet fromSetWirelessRepeat os comman - CVE-2026-8259
Tenda AC6 httpd telnet os command injection - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
Same weakness: CWE-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2024-4240
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