CVE-2025-7775—Citrix NetScaler Memory Overflow Vulnerability

Vulnerability Name

Citrix NetScaler Memory Overflow Vulnerability

Description

Citrix NetScaler ADC and NetScaler Gateway contain a memory overflow vulnerability that could allow for remote code execution and/or denial of service.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

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.

Additional Notes

• https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938
• https://nvd.nist.gov/vuln/detail/CVE-2025-7775

Related News Articles

• Citrix NetScaler Under Active Recon for CVE-2026-3055 (CVSS 9.3) Memory Overread BugMarch 28, 2026
• Citrix Urges Patching Critical NetScaler Flaw Allowing Unauthenticated Data LeaksMarch 24, 2026
• Hackers use new HexStrike-AI tool to rapidly exploit n-day flawsSeptember 3, 2025
• Over 28,000 Citrix devices vulnerable to new exploited RCE flawAugust 27, 2025

Related Weaknesses

• CWE-119