CVE-2021-39509
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.
D-Link DIR-816是中国台湾友讯（D-Link）公司的一款无线路由器。 D-Link DIR-816存在安全漏洞，攻击者可利用该漏洞通过typename参数执行任意php代码。
Possible ATT&CK Techniques 3 AI
T1136 · Create Account T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-39509
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in D-Link DIR-816 DIR-816A2_FWv1.10CNB05_R1B011D88210 The HTTP request parameter is used in the handler function of /goform/form2userconfig.cgi route, which can construct the user name string to delete the user function. This can lead to command injection through shell metacharacters.
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
D-Link DIR-816 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-816是中国台湾友讯（D-Link）公司的一款无线路由器。 D-Link DIR-816存在安全漏洞，攻击者可利用该漏洞通过typename参数执行任意php代码。
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-2021-39509
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-39509 (2)
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https://github.com/doudoudedi/main-DIR-816_A2_Command-injection x_refsource_MISC
Same Patch Batch · n/a · 2021-08-24 · 22 CVEs total
| CVE-2021-23406 | 8.1 HIGH | Remote Code Execution (RCE) |
| CVE-2021-23430 | 7.5 HIGH | Directory Traversal |
| CVE-2021-23429 | 6.5 MEDIUM | Denial of Service (DoS) |
| CVE-2021-23431 | 5.4 MEDIUM | Cross-site Request Forgery (CSRF) |
| CVE-2021-23432 | 5.4 MEDIUM | Prototype Pollution |
| CVE-2020-18917 | DedeCMS跨站请求伪造漏洞 | |
| CVE-2021-36690 | Sqlite 缓冲区错误漏洞 | |
| CVE-2020-18913 | Envoy SQL注入漏洞 | |
| CVE-2021-39510 | D-Link DIR816 命令注入漏洞 | |
| CVE-2021-32263 | ok-file-formats 缓冲区错误漏洞 | |
| CVE-2021-38714 | sourceforge Plib输入验证错误漏洞 | |
| CVE-2021-37538 | PrestaShop SQL注入漏洞 | |
| CVE-2021-39375 | Philips Healthcare Tasy Electronic Medical Record SQL注入漏洞 | |
| CVE-2021-39376 | Philips Healthcare Tasy Electronic Medical RecordSQL注入漏洞 | |
| CVE-2021-38306 | LG N1T1 操作系统命令注入漏洞 | |
| CVE-2021-38556 | RaspAP 命令注入漏洞 | |
| CVE-2021-38557 | RaspAP安全漏洞 | |
| CVE-2021-36385 | Cerner Mobile Care SQL注入漏洞 | |
| CVE-2021-38613 | NASCENT RemKon Device Manager 代码问题漏洞 | |
| CVE-2021-38612 | NASCENT RemKon Device Manager 路径遍历漏洞 |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-39509
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