CVE-2025-7776

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

High8.8EPSS 9.1%

Published: 26 Aug 2025
Updated: 27 Aug 2025
Reserved: 17 Jul 2025
Assigned by: Citrix

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

Scores

CVSS scores of CVE-2025-7776, by who scored it
Scored by	CVSS	Score	Vector
CitrixCNA (assigner)	4.0	High8.8	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
NVDNVD · Analyzed	4.0	High8.8	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (exploitation in 30 days): 9.1% · top 4.7% of all CVEs (5 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer (opens in a new tab)All about CWE-119 and its CVEs

Affected products

NetScaler · ADC
- affected 14.1 – < 47.48
- affected 13.1 – < 59.22
- affected 13.1 FIPS and NDcPP – < 37.241
- affected 12.1 FIPS and NDcPP – < 55.330
NetScaler · Gateway
- affected 14.1 – < 47.48
- affected 13.1 – < 59.22
- affected 13.1 FIPS and NDcPP – < 37.241
- affected 12.1 FIPS and NDcPP – < 55.330

References (1)

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938 (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

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Record last updated 27 Aug 2025, 14:33 UTC.