CVE-2021-45392
Quick assessment
Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Tenda Ax12是中国腾达（Tenda）公司的一款双频千兆 Wifi 6 无线路由器。 Tenda Router AX12 存在安全漏洞，该漏洞源于在页面goform setIPv6Status的sub 422CE4函数中存在缓冲区溢出漏洞，攻击者可利用该漏洞通过prefixDelegate参数导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-45392
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda Router AX12 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda Ax12是中国腾达（Tenda）公司的一款双频千兆 Wifi 6 无线路由器。 Tenda Router AX12 存在安全漏洞，该漏洞源于在页面goform setIPv6Status的sub 422CE4函数中存在缓冲区溢出漏洞，攻击者可利用该漏洞通过prefixDelegate参数导致拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2021-45392
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-45392 (3)
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https://www.tenda.com.cn/product/AX12.html x_refsource_MISC
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http://tendawifi.com/index.html x_refsource_MISC
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https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/2 x_refsource_MISC
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IV. Related Vulnerabilities
V. Comments for CVE-2021-45392
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