The vulnerability of the programmatically defined Cisco Catalyst SD-WAN (formerly Cisco SD-WAN) lies in the improper definition of symbolic links before accessing a file. This allows an attacker to compromise the confidentiality, integrity, and accessibility of protected information.
🗓️ 07 Aug 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 4 Views
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | CVE-2026-20310 | 5 Aug 202616:30 | – | attackerkb |
 | CVE-2026-20310 | 5 Aug 202617:24 | – | circl |
 | Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026 | 5 Aug 202616:00 | – | cisco |
| Cisco Advance Notification for Publication of August 5, 2026, Security Advisories | 29 Jul 202616:00 | – | cisco |
 | Cisco Catalyst SD-WAN Software Security Hardening (cisco-sa-hardening-sdwan-faLcR3K) | 7 Aug 202600:00 | – | nessus |
 | CVE-2026-20310 | 5 Aug 202616:30 | – | cve |
 | CVE-2026-20310 Cisco SD-WAN Software Security Hardening Release - Improper Link Resolution Before File Access | 5 Aug 202616:30 | – | cvelist |
 | EUVD-2026-53471 | 5 Aug 202616:30 | – | euvd |
 | Vulnerabilities in Cisco Catalyst SD-WAN | 6 Aug 202607:18 | – | ncsc |
 | CVE-2026-20310 | 5 Aug 202617:16 | – | nvd |
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07 Aug 2026 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 29
CVSS 39.1
EPSS0.00369