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CVE-2025-7776 is a high-severity memory overflow vulnerability in NetScaler ADC and NetScaler Gateway. It affects appliances configured as a Gateway, including VPN virtual server, ICA Proxy, CVPN, or RDP Proxy deployments, when a PCoIP profile is bound to the Gateway configuration. An authenticated attacker can trigger the overflow, resulting in unpredictable or erroneous behavior and a denial-of-service condition.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
33 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Citrix NetScaler ADC/Gateway memory overflow vulnerability (details truncated in the content snippet).
A disclosed Citrix NetScaler vulnerability being targeted by attackers using HexStrike-AI automation.
A disclosed Citrix NetScaler vulnerability being targeted by attackers using HexStrike-AI automation.
A memory-handling flaw affecting core processes in Citrix NetScaler ADC/NetScaler Gateway; described as high-risk with exploitation not yet confirmed in the wild.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.