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Medium · 5.3 CVE-2026-20080 EUVD-2026-3662GHSA-4rv8-3xqf-8gfm

Cisco IEC6400 Edge Compute Appliance SSH Denial of Service Vulnerability

Published Jan 21, 2026 · Updated Jan 21, 2026 · Assigned by cisco

Description

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.

Affected products

VendorProductAffectedFixed
Cisco Cisco Ultra-Reliable Wireless Backhaul 1.0.0, 1.1.0, 1.0.2, 1.0.1 —

Advisories 1

References