CVE-2025-7776

high

Description

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

References

References
More

https://www.theregister.com/2025/08/26/citrix_patches_trio_of_netscaler/

https://www.helpnetsecurity.com/2025/08/26/netscaler-adc-gateway-zero-day-exploited-by-attackers-cve-2025-7775/

https://thehackernews.com/2025/08/citrix-patches-three-netscaler-flaws.html

https://securityaffairs.com/181567/hacking/citrix-fixed-three-netscaler-flaws-one-of-them-actively-exploited-in-the-wild.html

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

Details

Source: Mitre, NVD

Published: 2025-08-26

Updated: 2025-08-26

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 8.8

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L

Severity: High