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Highest advisory severityMedium 1 vendor · 1 advisory

CVE-2026-20080

CVE-2026-20080: 1 tracked advisory record across Cisco. Compare vendor sources and published fix guidance.

Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.

NVD detail CVE.org

Vendor advisory comparison

Cisco

1 advisory
  • Advisory severityMedium5.3

    Medium [CVE-2026-20080] Cisco IEC6400 Wireless Backhaul Edge Compute Software SSH Denial of Service Vulnerability

    cisco-sa-iec6400-Pem5uQ7vSource published Source updated

    A vulnerability in the SSH service of Cisco IEC6400 Wireless Backhaul Edge Compute Software could allow an unauthenticated, remote attacker to cause the SSH service to stop responding. This vulnerability exists because the SSH service lacks effective flood protection. An attacker could exploit this vulnerability by initiating a denial of service (DoS) attack against the SSH port. A successful exploit could allow the attacker to cause the SSH service to be unresponsive during the period of the DoS attack. All other operations remain stable during the attack. Cisco has released software updat…

    Related products — impact not confirmed
    • Cisco Ultra-Reliable Wireless Backhaul
    Source-reported affected versions
    • Scope: At the time of publication, this vulnerability affected Cisco IEC6400 Wireless Backhaul Edge Compute Software if it had the SSH service enabled. The SSH service is enabled by default.
    • Release 1.1.0 and earlier (first fixed: 1.2.0)
    Source-reported fixed versions
    • 1.2.0
    Mitigation guidance
    • Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
    • Release 1.1.0 and earlier: upgrade to 1.2.0.
    Workarounds
    • There are no workarounds that address this vulnerability. However, as a mitigation, customers who do not require the SSH service can disable it either by using the ssh-server disable CLI command or by unchecking the SSH checkbox on the Misc Settings page in the web UI.
    Full advisory and evidenceOpen source bulletin

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