CVE-2021-20852
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I. Basic Information for CVE-2021-20852
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Buffer overflow vulnerability in ELECOM LAN routers (WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior) allows a network-adjacent attacker with an administrator privilege to execute an arbitrary OS command via unspecified vectors.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
elecom lan 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
elecom lan是日本Elecom的一款路由器。 elecom lan 存在缓冲区错误漏洞，该漏洞源于由于边界错误。本地网络上的远程管理员可以触发基于堆栈的缓冲区溢出并在目标系统上执行任意代码。
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 |
|---|---|---|---|---|
| ELECOM CO.,LTD. | ELECOM LAN routers | WRH-733GBK firmware v1.02.9 and prior and WRH-733GWH firmware v1.02.9 and prior | - |
II. Public POCs for CVE-2021-20852
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://www.elecom.co.jp/news/security/20211130-01/x_refsource_MISC
- https://jvn.jp/en/jp/JVN88993473/index.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-20852
Same Patch Batch · ELECOM CO.,LTD. · 2021-12-01 · 13 CVEs total
| CVE-2021-20853 | elecom lan 操作系统命令注入漏洞 | |
| CVE-2021-20854 | elecom lan 操作系统命令注入漏洞 | |
| CVE-2021-20855 | elecom lan 跨站脚本漏洞 | |
| CVE-2021-20856 | elecom lan 跨站脚本漏洞 | |
| CVE-2021-20857 | elecom lan 跨站脚本漏洞 | |
| CVE-2021-20858 | elecom lan 跨站脚本漏洞 | |
| CVE-2021-20859 | elecom lan 操作系统命令注入漏洞 | |
| CVE-2021-20860 | elecom lan 跨站请求伪造漏洞 | |
| CVE-2021-20861 | elecom lan 授权问题漏洞 | |
| CVE-2021-20862 | Elecom Edwrc 访问控制错误漏洞 | |
| CVE-2021-20863 | Elecom Edwrc 操作系统操作系统命令注入漏洞 | |
| CVE-2021-20864 | Elecom Edwrc 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-20852
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