CVE-2026-20310: Cisco Catalyst SD-WAN Improper Link Resolution
August 6, 2026
CVE-2026-20310 is a critical vulnerability in Cisco Catalyst SD-WAN Software with a CVSS score of 9.9. It involves improper link resolution before file access, which could be exploited to access sensitive files. Cisco has released fixes in versions 20.9.10, 20.12.8.1, 20.15.6, 20.18.4, and 26.1.2.