发布日期：2021-11-30
更新日期：2021-12-02

受影响系统：

ELECOM LAN Routers WRC-1167GST2 <= 1.25
ELECOM LAN Routers WRC-1167GST2A <= 1.25
ELECOM LAN Routers WRC-1167GST2H <= 1.25
ELECOM LAN Routers WRC-2533GS2-B <= 1.52
ELECOM LAN Routers WRC-2533GS2-W <= 1.52
ELECOM LAN Routers WRC-1750GS <= 1.03
ELECOM LAN Routers WRC-1750GSV <= 2.11
ELECOM LAN Routers WRC-1900GST <= 1.03
ELECOM LAN Routers WRC-2533GST <= 1.03
ELECOM LAN Routers WRC-2533GSTA <= 1.03
ELECOM LAN Routers WRC-2533GST2 <= 1.25
ELECOM LAN Routers WRC-2533GST2SP <= 1.25
ELECOM LAN Routers WRC-2533GST2-G <= 1.25
ELECOM LAN Routers EDWRC-2533GST2 <= 1.25

描述：

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CVE(CAN) ID: CVE-2021-20859

ELECOM LAN是日本Elecom的一款路由器。
ELECOM LAN Routers多个固件版本存在操作系统命令注入漏洞。攻击者可利用该漏洞执行任意OS命令。

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建议：

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厂商补丁：

ELECOM
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目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：

http://www.elecom.co.jp/news/security/20211130-01/
https://jvn.jp/en/jp/JVN88993473/index.html

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