CVE-2026-76504

Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability
38.9%
EPSS
99%
Percentile
Yes
Known exploited
1
APAC news · 90d
Summary

Cisco Catalyst SD-WAN Manager contains a hex encoding vulnerability that could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user due to improper handling of URI encoding in an HTTP request.

Vendor
Cisco
Product
Catalyst SD-WAN Manager
Added to KEV
Sep 30, 2026
Remediation due
Oct 3, 2026 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-177
EPSS
38.9% as of Nov 10
In the news · last mention Oct 5
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded