CVE-2026-20310

Cisco Catalyst SD-WAN software contains CVE-2026-20310 addressing improper link resolution before file access (CWE-59). Affected component: Cisco Catalyst SD-WAN software; root cause: improper link resolution before file access. Impact per CVSS: Critical (9.1) with high confidentiality, integrity...

CVE-2026-20310 Cisco SD-WAN Software Security Hardening Release - Improper Link Resolution Before File Access

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The...