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CVE-2024-4127— Tenda W15E guestWifiRuleRefresh stack-based overflow

Quick assessment

Affected
Tenda W15E
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 W15E是中国腾达（Tenda）公司的一款无线路由器。 Tenda W15E 15.11.0.14 版本存在安全漏洞，该漏洞源于 guestWifiRuleRefresh 方法的 qosGuestDownstream 参数存在缓冲区溢出漏洞。

CVSS 8.8 · High EPSS 1.76% · P76

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-4127

Vulnerability Information
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Vulnerability Title
Tenda W15E guestWifiRuleRefresh stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda W15E 15.11.0.14. It has been classified as critical. Affected is the function guestWifiRuleRefresh. The manipulation of the argument qosGuestDownstream leads to stack-based buffer overflow. It is possible to launch the attack remotely. VDB-261870 is the identifier 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 W15E 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda W15E是中国腾达（Tenda）公司的一款无线路由器。 Tenda W15E 15.11.0.14 版本存在安全漏洞，该漏洞源于 guestWifiRuleRefresh 方法的 qosGuestDownstream 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 W15E 15.11.0.14 -

II. Public POCs for CVE-2024-4127

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8284 chars
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Trigger conditions & impact
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Exploit chain & mitigation
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III. Intelligence Information for CVE-2024-4127

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Vendor Advisories for CVE-2024-4127 (3)

Other References for CVE-2024-4127 (1)

Same Patch Batch · Tenda · 2024-04-24 · 17 CVEs total

CVE-2024-4126 8.8 HIGH Tenda W15E SetSysTimeCfg formSetSysTime stack-based overflow
CVE-2024-4125 8.8 HIGH Tenda W15E setStaticRoute formSetStaticRoute stack-based overflow
CVE-2024-4124 8.8 HIGH Tenda W15E SetRemoteWebManage formSetRemoteWebManage stack-based overflow
CVE-2024-4123 8.8 HIGH Tenda W15E SetPortMapping formSetPortMapping stack-based overflow
CVE-2024-4122 8.8 HIGH Tenda W15E setDebugCfg formSetDebugCfg stack-based overflow
CVE-2024-4121 8.8 HIGH Tenda W15E formQOSRuleDel stack-based overflow
CVE-2024-4120 8.8 HIGH Tenda W15E modifyIpMacBind formIPMacBindModify stack-based overflow
CVE-2024-4119 8.8 HIGH Tenda W15E delIpMacBind formIPMacBindDel stack-based overflow
CVE-2024-4118 8.8 HIGH Tenda W15E addIpMacBind formIPMacBindAdd stack-based overflow
CVE-2024-4117 8.8 HIGH Tenda W15E DelPortMapping formDelPortMapping stack-based overflow
CVE-2024-4116 8.8 HIGH Tenda W15E DelDhcpRule formDelDhcpRule stack-based overflow
CVE-2024-4115 8.8 HIGH Tenda W15E AddDnsForward formAddDnsForward stack-based overflow
CVE-2024-4114 8.8 HIGH Tenda TX9 PowerSaveSet sub_42C014 stack-based overflow
CVE-2024-4113 8.8 HIGH Tenda TX9 SetSysTimeCfg sub_42D4DC stack-based overflow
CVE-2024-4112 8.8 HIGH Tenda TX9 SetVirtualServerCfg sub_42CB94 stack-based overflow
CVE-2024-4111 8.8 HIGH Tenda TX9 SetLEDCfg sub_42BD7C stack-based overflow

IV. Related Vulnerabilities

Same product: W15E
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2024-4127

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