Discover how a single encoded character exploited a critical Cisco zero-day vulnerability in the Catalyst SD-WAN Manager, granting attackers admin access.

Discover how a single encoded character exploited a critical Cisco zero-day vulnerability in the Catalyst SD-WAN Manager, granting attackers admin access.
Cisco patches critical auth bypass zero-day (CVE-2026-76504) in Catalyst SD-WAN Manager. CVSS 9.8 flaw actively exploited. Unauthenticated attackers can gain admin access. CISA added to KEV. Patch immediately! #Cisco #ZeroDay #SDWAN #CVE202676504
π cyber[.]netsecops[.]io
π΄ Cisco SD-WAN CVE-2026-76504 β zero-day under active attack
Critical CVSS 9.8 auth bypass lets remote attackers access Catalyst SD-WAN Manager APIs with admin privileges β no password required.
stemshop.top/blog/cisco-s...
#CVE #CVE202676504 #Cisco #SDWAN #ZeroDay #CyberSecurity
Cisco patches critical auth bypass zero-day (CVE-2026-76504) in Catalyst SD-WAN Manager. CVSS 9.8 flaw actively exploited. Unauthenticated attackers can gain admin access. CISA added to KEV. Patch immediately! #Cisco #ZeroDay #SDWAN #CVE202676504
π cyber[.]netsecops[.]io
Cisco released urgent fixes for CVE-2026-76504, a critical 9.8 auth bypass in Catalyst SD-WAN Manager already exploited in the wild. Malformed HTTP requests can grant admin access. #Cisco #CatalystSDWAN #CVE202676504
Cisco says CVE-2026-76504 is being exploited in zero-day attacks against Cisco Catalyst SD-WAN Manager, enabling API auth bypass and possible admin access. Fixes and IoCs are available. #Cisco #CVE202676504 #CISA
~Cisa~
CISA reports active exploitation of a Cisco Catalyst SD-WAN Manager hex encoding vulnerability; prioritize remediation.
-
IOCs: CVE-2026-76504
-
#CVE202676504 #Cisco #ThreatIntel
Cisco warns of active exploitation of CVE-2026-76504 in Catalyst SD-WAN Manager, a critical auth bypass that lets remote unauthenticated attackers access the API as admin. 3 hashtags: #Cisco #SDWAN #CVE202676504
Attackers exploit CVE-2026-76504, a 9.8 authentication bypass in Cisco SD-WAN Manager that grants admin API access. Patch now.
#Cisco #SDWAN #CVE202676504 #AuthenticationBypass #ActivelyExploited #CyberSecurity