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Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

CiscoCVE-2026-20310

Cisco Catalyst SD-WAN: link following

Cisco

CVE-2026-20310 · Published Aug 5, 2026 · updated Aug 14, 2026

Critical9.1
No fix yet
Cisco advisory

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 vulnerabilities tracked by CVE-2026-20310 are related to improper link resolution before file access issues that are grouped under the Common Weakness Enumeration (CWE) CWE-59.

Affected versions

PackageAffectedFixed in
Cisco Catalyst SD-WAN Controller
Product
<= 20.6.4No fix yet
<= 20.9.2No fix yet
<= 20.3.6No fix yet
<= 20.7.2No fix yet
Cisco Catalyst SD-WAN Manager
Product
<= 20.1.12No fix yet
<= 19.2.1No fix yet
<= 18.4.4No fix yet
<= 18.4.5No fix yet
Details and references

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