Citrix Chaos: 28,000 Vulnerable Instances Under Siege by CVE-2025-7775! 🚨
More than 28,200 Citrix instances are exposed to CVE-2025-7775, a vulnerability so critical it’s already RSVP’d to the exploitation party. Citrix urges an immediate firmware upgrade—because nothing says “party pooper” like a remote code execution vulnerability crashing your server.
Hot Take:
Looks like Citrix just handed out an invitation to the biggest zero-day party of 2025, and everyone’s invited! With over 28,200 instances vulnerable, it’s a hacker’s buffet. If you’re using NetScaler and haven’t updated yet, you might as well be serving hors d’oeuvres to cybercriminals. Come on Citrix admins, it’s time to RSVP to the “Update Now” party before your systems become the life of someone else’s!
Key Points:
- A critical remote code execution vulnerability, CVE-2025-7775, is actively being exploited in Citrix NetScaler products.
- The flaw affects NetScaler ADC and NetScaler Gateway, with over 28,200 instances vulnerable globally, mostly in the US and Europe.
- No mitigations or workarounds are provided, and admins must upgrade to specific software versions to patch the vulnerability.
- CISA has added CVE-2025-7775 to its Known Exploited Vulnerabilities catalog and set an urgency deadline for federal agencies.
- Two additional high-severity flaws were disclosed, affecting memory overflow and access control, also requiring immediate updates.
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