思科修補工控無線URWB路由器風險達到10分的重大漏洞
支付動態 · 2024-11-07

思科本週三(11月6日)針對3款工業級無線路由器發布資安公告,指出其Ultra-Reliable Wireless Backhaul(URWB)模式存在重大漏洞CVE-2024-20418,危險程度達到10分,相當嚴重

11月6日思科發布資安公告,指出旗下工業級無線路由器Ultra-Reliable Wireless Backhaul(URWB)搭配的軟體系統當中,網頁管理介面存在重大層級漏洞CVE-2024-20418,攻擊者可在未經授權的情況下,遠端使用root權限,在作業系統底層執行命令注入攻擊,CVSS風險達到10分(滿分10分)。

這項漏洞影響執行URWB作業模式的部分機種,包含:Catalyst IW9165D Heavy Duty Access Points、Catalyst IW9165E Rugged Access Points and Wireless Clients,以及Catalyst IW9167E Heavy Duty Access Points。

對此,該公司已發布軟體更新,並強調這項漏洞沒有其他緩解措施能夠因應,呼籲IT人員應儘速採取行動。截至目前為止,該公司尚未察覺此漏洞遭到惡意利用的情況。

針對這項漏洞發生的原因,思科指出,是URWB網頁管理介面對於使用者輸入的內容,缺乏適當的驗證。攻擊者若要利用這項漏洞,可向網頁管理介面發送偽造的HTTP請求觸發,一旦成功用漏洞,攻擊者就能使用root權限,於作業系統底層執行任意命令。

攻擊者若要利用這項弱點,須滿足1個先決條件,那就是目標路由器必須啟用URWB模式。該公司也提供IT人員確認此功能是否啟用的方法,來判斷路由器是否曝險。

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