by Kastro
Paper/Archive/CVE-2025-7776

CVE-2025-7776

NetScaler ADC — Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service

EPSS 9%CVSS 9.8
critical.is priorityof 100
49
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 95.3.953 × 2019.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it

Affected

ProductAffectedFixed inSource
ADC14.1 – < 47.4847.48CNA
ADC13.1 – < 59.2259.22CNA
ADC13.1 FIPS and NDcPP – < 37.24137.241CNA
ADC12.1 FIPS and NDcPP – < 55.33055.330CNA
Gateway14.1 – < 47.4847.48CNA
Gateway13.1 – < 59.2259.22CNA
Gateway13.1 FIPS and NDcPP – < 37.24137.241CNA
Gateway12.1 FIPS and NDcPP – < 55.33055.330CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Citrix (CNA)8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refsupport.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938