PT-2026-3787 · Cisco · Cisco Iec6400 Wireless Backhaul Edge Compute

Published 2026-01-21 · Updated 2026-01-21 · CVE-2026-20080

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Cisco IEC6400 Wireless Backhaul Edge Compute Software (affected versions not specified)

Description A flaw exists in the SSH service of Cisco IEC6400 Wireless Backhaul Edge Compute Software that may allow a remote attacker to disrupt the service. The issue stems from a lack of adequate flood protection within the SSH service. An attacker could exploit this by initiating a denial-of-service (DoS) attack targeting the SSH port, potentially rendering the service unresponsive. Other system operations remain stable during the attack. This vulnerability is related to uncontrolled resource consumption.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2026-01762

CVE-2026-20080

Affected Products

Cisco Iec6400 Wireless Backhaul Edge Compute

References · 3

• https://bdu.fstec.ru/vul/2026-01762 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-20080 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iec6400-Pem5uQ7v · Vendor Advisory