ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·7/10/2025
CVE-2025-5777 added to CISA KEV: Citrix NetScaler ADC and Gateway
Status: ✅ Confirmed exploited in the wild
Date added: 2025-07-10
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due date: 2025-07-11
Why this matters
Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.
Sources
Lyrie Verdict
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