CVE-2026-20080
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Lifecycle Timeline
2Tags
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.
Analysis
SSH service disruption in Cisco IEC6400 Wireless Backhaul Edge Compute Software allows unauthenticated remote attackers to trigger denial of service through connection flooding due to missing rate limiting protections. An attacker can render the SSH service unresponsive by launching a DoS attack against the SSH port, though other device operations remain functional during the attack. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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