思科 IOS XR 多個漏洞

發佈日期: 2026年03月13日

風險: 中度風險

類型: 保安軟件及應用設備 - 保安軟件及應用設備

於思科 IOS XR 發現多個漏洞。遠端攻擊者可利用這些漏洞，於目標系統觸發阻斷服務狀況及遠端執行任意程式碼。

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影響

• 阻斷服務
• 遠端執行程式碼

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受影響之系統或技術

• Cisco IOS XR

請參考供應商發佈的連結以了解受影響的設備：

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-dos-kDMxpSzK
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrncs-epni-int-dos-TWMffUsN

 

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解決方案

在安裝軟體之前，請先瀏覽供應商之網站，以獲得更多詳細資料。

 

安裝供應商提供的修補程式：

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-dos-kDMxpSzK
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrncs-epni-int-dos-TWMffUsN

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漏洞識別碼

• CVE-2026-20040
• CVE-2026-20046
• CVE-2026-20074
• CVE-2026-20118

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資料來源

• Cisco

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相關連結

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-isis-dos-kDMxpSzK
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xrncs-epni-int-dos-TWMffUsN