CVE-2025-7776

criticalpriority · track · 42EPSS 0.082 · 95 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

8.21% (95th) EPSS

CVSS 9.8 · critical

Is it mine?

44 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

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

cvss

Technical severity, 0–10. One row per scoring source.

9.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.8–9.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.9criticalAV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Hsecondary · FSTEC (BDU) RU

v4.08.8highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:Lsecondary · ENISA EU

v4.08.8highCVSS: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:Xsecondary · secure@citrix.com

v4.06.8mediumCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USCWE-119USCWE-119US

affected products (44)

Products and version ranges known to be affected.

Citrix Systems ADC 12.1-FIPS <12.1-55.330all versionscert_bundDE
Citrix Systems ADC 12.1-NDcPP <12.1-55.330all versionscert_bundDE
Citrix Systems ADC 13.1-FIPS <13.1-37.241all versionscert_bundDE
Citrix Systems ADC 13.1-NDcPP <13.1-37.241all versionscert_bundDE
Citrix Systems ADC <13.1-59.22all versionscert_bundDE
Citrix Systems ADC <14.1-47.48all versionscert_bundDE
Citrix Systems NetScaler Gateway <13.1-59.22all versionscert_bundDE
Citrix Systems NetScaler Gateway <14.1-47.48all versionscert_bundDE
Citrix Systems ADC≤ 12.1-FIPS <12.1-55.330cert_bundDE
Citrix Systems ADC≤ 12.1-NDcPP <12.1-55.330cert_bundDE
Citrix Systems ADC≤ 13.1-FIPS <13.1-37.241cert_bundDE
Citrix Systems ADC≤ 13.1-NDcPP <13.1-37.241cert_bundDE
Citrix Systems ADC< 13.1-59.22cert_bundDE
Citrix Systems ADC< 14.1-47.48cert_bundDE
Citrix Systems NetScaler≤ Gateway <13.1-59.22cert_bundDE
Citrix Systems NetScaler≤ Gateway <14.1-47.48cert_bundDE
NetScaler ADC12.1 FIPS and NDcPP → 55.330enisa_euvdEU
NetScaler ADC13.1 → 59.22enisa_euvdEU
NetScaler ADC13.1 FIPS and NDcPP → 37.241enisa_euvdEU
NetScaler ADC14.1 → 47.48enisa_euvdEU

showing 20 of 44

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2025-0268Kwetsbaarheden verholpen in Citrix NetScaler ADC en GatewayNL2025-08-26csaf · ncsc_nlNL
Citrix heeft kwetsbaarheden verholpen in de NetScaler ADC en Gateway
WID-SEC-W-2025-1910Citrix Systems ADC und NetScaler Gateway: Mehrere SchwachstellenDeutsch2025-08-26csaf · cert_bundDE
Ein entfernter anonymer Angreifer oder ein Angreifer aus einem angrenzenden Netzwerk kann mehrere Schwachstellen in Citrix Systems ADC und Citrix Systems NetScaler Gateway ausnutzen, um beliebigen Code auszuführen, erweiterte Privilegien zu erlangen, einen Denial-of-Service-Zustand zu erzeugen oder andere, nicht näher definierte Angriffe durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl NVD CVE.org MITRE

published 2025-08-26modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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