Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN Software engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. These vulnerabilities were found during internal testing and are not known to be actively exploited. To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class — Common Weakness Enumeration (CWE) — and a
Read at Cisco PSIRT Security Advisories
- Vendor
- Cisco
- Product
- IOS XE / IOS XR / NX-OS
- Exposure class
- Edge / VPN / firewall
Why it ranks 32 (Notable)
- Exposed product class: edge / VPN / firewall
- Widely deployed vendor product (Cisco)
- Covered by 2 independent sources
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Cisco PSIRT Security Advisories (sec.cloudapps.cisco.com)
- CVE-2026-20303 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20304 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20310 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20312 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-20313 on this site · NVD · CVE.org · Vulnpedia
Related coverage
Other items that share a CVE or were clustered with this one.