Cisco security advisory (AV26-551) - Update 1

Serial number: AV26-551
Date: June 5, 2026
Updated: June 9, 2026

On June 4, 2026, Cisco published a security advisory to address a vulnerability in the following product:

  • Cisco Catalyst SD-WAN Manager

Update 1

On June 9, 2026, Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2026-20245 to their Known Exploited Vulnerabilities (KEV) Database.

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates, when available.

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