Mmastodon TechnologyCybersecurity first seen 15 h ago, last 15 h ago, peak #6
Cisco zero-day in Catalyst SD-WAN Manager exploited via single encoded character
Original: Discover how a single encoded character exploited a critical Cisco zero-day vulnerability in the Catalyst SD-WAN Manager
A critical zero-day vulnerability, tracked as CVE-2026-76504, in Cisco's Catalyst SD-WAN Manager reportedly allowed attackers to gain administrative access by sending a single encoded character. Security commentators are highlighting how minimal the exploit requirement was, raising concerns about unpatched SD-WAN deployments and urging administrators to apply fixes and review exposure.
Why now: A trivially simple exploit for a critical Cisco zero-day granting admin access is alarming network administrators.
CiscoCatalyst SD-WAN ManagerCVE-2026-76504
Evidence
- Discover how a single encoded character exploited a critical Cisco zero-day vulnerability in the Catalyst SD-WAN Manager, granting attackers admin access. # Cisco # ZeroDay # Cybersecurity # SDWAN # CVE202676504 https:// meterpreter.org/cisco-zero-day… · DailyCyberSecurity@infosec.exchange · 2
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