CVE-2024-4247— Tenda i21 formQosManage_auto stack-based overflow
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I. Basic Information for CVE-2024-4247
Vulnerability Information
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Vulnerability Title
Tenda i21 formQosManage_auto stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. 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 i21 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda i21是中国腾达（Tenda）公司的一款无线接入点。 Tenda i21 1.0.0.14(4656)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-2024-4247
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- Submit #319832: Tenda i21 V1.0.0.14(4656) Buffer Overflowthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2024-4247
Same Patch Batch · Tenda · 2024-04-27 · 9 CVEs total
| CVE-2024-4291 | 8.8 HIGH | Tenda A301 setBlackRule formAddMacfilterRule stack-based overflow |
| CVE-2024-4252 | 8.8 HIGH | Tenda i22 formSetUrlFilterRule stack-based overflow |
| CVE-2024-4251 | 8.8 HIGH | Tenda i21 DhcpSetSe fromDhcpSetSer stack-based overflow |
| CVE-2024-4250 | 8.8 HIGH | Tenda i21 wifiSSIDset formwrlSSIDset stack-based overflow |
| CVE-2024-4249 | 8.8 HIGH | Tenda i21 wifiSSIDget formwrlSSIDget stack-based overflow |
| CVE-2024-4248 | 8.8 HIGH | Tenda i21 formQosManage_user stack-based overflow |
| CVE-2024-4246 | 8.8 HIGH | Tenda i21 formQosManageDouble_auto stack-based overflow |
| CVE-2024-4245 | 8.8 HIGH | Tenda i21 formQosManageDouble_user stack-based overflow |
IV. Related Vulnerabilities
Same product: i21
- CVE-2024-4497
Tenda i21 formexeCommand stack-based overflow - CVE-2024-4496
Tenda i21 formWifiMacFilterSet stack-based overflow - CVE-2024-4495
Tenda i21 formWifiMacFilterGet stack-based overflow - CVE-2024-4494
Tenda i21 setUplinkInfo formSetUplinkInfo stack-based overfl - CVE-2024-4493
Tenda i21 formSetAutoPing 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-2024-4247
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