Attackers Hit Cisco SD-WAN Flaw 2 Months Before Disclosure
Attackers exploit Cisco SD-WAN flaw before public disclosure for admin access.
Attackers exploited a critical vulnerability in Cisco's SD-WAN solution two months before it was publicly disclosed. Researchers suspect that attackers used rogue peering to gain administrative and root-level access to victim devices. This allowed them to potentially compromise the entire network infrastructure.
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The lesson from this incident
Full lessonAttackers exploited a critical Cisco SD-WAN vulnerability approximately two months before it was publicly disclosed, highlighting the dangerous window of exposure that exists between discovery and patching. The attackers leveraged rogue peering techniques to escalate privileges to administrative and root-level access, effectively compromising entire network infrastructures. This incident underscores the reality of 'zero-day' exploitation — organizations cannot rely solely on vendor patch cycles to protect critical network infrastructure. The ability to gain root-level access via a network peering mechanism demonstrates how architectural trust assumptions in SD-WAN environments can be weaponized when vulnerabilities exist.
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