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CVE-2021-20739

Quick assessment

Affected
ELECOM CO.,LTD. WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S, and WRH-300WH-S
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Elecom ELECOM WRC和ELECOM WRH都是日本Elecom公司的一款适用于家庭的网络摄像机。 ELECOM 多款产品存在安全漏洞，未经认证的网络相邻攻击者可利用该漏洞通过未指定的载体执行任意OS命令。以下产品及版本受到影响：WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S和WRH-300WH-S。

AI Predicted 9.8 Difficulty: Moderate EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20739

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S, and WRH-300WH-S all versions allows an unauthenticated network-adjacent attacker to execute an arbitrary OS command via unspecified vectors.
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
ELECOM 多款产品操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elecom ELECOM WRC和ELECOM WRH都是日本Elecom公司的一款适用于家庭的网络摄像机。 ELECOM 多款产品存在安全漏洞，未经认证的网络相邻攻击者可利用该漏洞通过未指定的载体执行任意OS命令。以下产品及版本受到影响：WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S和WRH-300WH-S。
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
ELECOM CO.,LTD. WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S, and WRH-300WH-S all versions -

II. Public POCs for CVE-2021-20739

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20739

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Vendor Advisories for CVE-2021-20739 (1)

IV. Related Vulnerabilities

Same vendor: ELECOM CO.,LTD.

V. Comments for CVE-2021-20739

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