CVE-2025-7775Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service
Updated under an hour ago ()
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It affects NetScaler ADC and 3 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Aug 26, 2025; federal agencies had to remediate by Aug 28, 2025. Treat that date as your deadline.
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Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server (OR) NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with IPv6 services or servicegroups bound with IPv6 servers (OR) NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with DBS IPv6 services or servicegroups bound with IPv6 DBS servers (OR) CR virtual server with type HDX
- CVSS
- 9.2 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
- Weakness (CWE)
- CWE-119
- Known exploited
- Added to CISA KEV Aug 26, 2025; federal remediation due Aug 28, 2025Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 20.28% (percentile 97)
- Assigned by
- Citrix
- NVD analysis
- Analyzed
- Record last updated
- Feb 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
NetScaler ADC netscaler:adc (from the name) | from 14.1 before 47.48; from 13.1 before 59.22; from 13.1 FIPS and NDcPP before 37.241; from 12.1 FIPS and NDcPP before 55.330 | CNA record |
NetScaler Gateway netscaler:gateway (from the name) | from 14.1 before 47.48; from 13.1 before 59.22; from 13.1 FIPS and NDcPP before 37.241; from 12.1 FIPS and NDcPP before 55.330 | CNA record |
citrix netscaler_application_delivery_controller citrix:netscaler_application_delivery_controller | from 12.1 before 12.1-55.330; from 12.1 before 12.1-55.330; from 13.1 before 13.1-37.241; from 13.1 before 13.1-37.241; from 13.1 before 13.1-59.22; from 14.1 before 14.1-47.48 | NVD |
citrix netscaler_gateway citrix:netscaler_gateway | from 13.1 before 13.1-59.22; from 14.1 before 14.1-47.48 | NVD |
References
- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-7775us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.