Skip to content
OpenAdvisories
High WID-SEC-2026-3155 7 CVEs

Cisco IOS XR: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

Published Sep 2, 2026 · Updated Sep 2, 2026 · de-DE

Vendor: Cisco Product: IOS XR

Summary

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Cisco IOS XR ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

Product

Cisco Internetwork Operating System (IOS) ist ein Betriebssystem, das für Cisco Geräte wie z. B. Router und Switches eingesetzt wird.

Vulnerabilities 7

  • Critical 9.8
    CVE-2026-20274

    Cisco IOS XR Software Security Hardening Release: September 2026

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple int…

    Cisco Cisco IOS XR Software iOS Network devices
  • Critical 9.8
    CVE-2026-20279

    Cisco IOS XR Software Security Hardening Release: September 2026

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple int…

    Cisco Cisco IOS XR Software iOS Network devices
  • High 8.8
    CVE-2026-20275

    Cisco IOS XR Software Security Hardening Release: September 2026

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple int…

    Cisco Cisco IOS XR Software iOS Network devices
  • High 8.8
    CVE-2026-20278

    Cisco IOS XR Software Security Hardening Release: September 2026

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple int…

    Cisco Cisco IOS XR Software iOS Network devices
  • High 8.8
    CVE-2026-20280

    Cisco IOS XR Software Security Hardening Release: September 2026

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multipl…

    Cisco Cisco IOS XR Software iOS Network devices
  • High 8.6
    CVE-2026-20276

    Cisco IOS XR Software Security Hardening Release: September 2026

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple int…

    Cisco Cisco IOS XR Software iOS Network devices
  • High 8.2
    CVE-2026-20277

    Cisco IOS XR Software Security Hardening Release: September 2026

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening releases that address multiple int…

    Cisco Cisco IOS XR Software iOS Network devices

Revision history

  1. #1

    Initiale Fassung

References