AUGUST 15, 2026
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Case File

CVE-2026-20310

CRITICAL · CVSS 9.1 EPSS 0.37%

Source: NVD + CISA KEV + EPSS · Published 2026-08-05 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

Cisco Catalyst SD-WAN products are vulnerable due to improper link resolution before file access, which could allow an attacker to manipulate file access and potentially execute arbitrary code. The critical severity of this vulnerability (CVSS 9.1) necessitates immediate attention from organizations using affected Cisco products to mitigate potential exploitation risks. Security teams should prioritize patching these vulnerabilities to safeguard their network infrastructure.

CVE
CVE-2026-20310
Severity
CRITICAL
CVSS
9.1
EPSS
0.37%
Cisco

Original NVD Description

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.