CVE-2025-7775

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.203 · 97 %ileexploit · PoCDEEUNLRUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV · 4 exploits · PoC
Likely / severe?
20.3% (97th) 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

added 2025-08-26remediate by 2025-08-28

required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-25

Citrix NetScaler Memory Overflow Vulnerability

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

01

cvss

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

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode

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
v3.19criticalAV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v4.09.2criticalCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:Lsecondary · ENISA EU
v4.09.2criticalCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/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
v4.09.2criticalCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:A/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)
02

ssvc

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

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USCWE-119USCWE-119US
04

exploits (4)

Public proof-of-concept and weaponised exploit code.

05

affected products (44)

Products and version ranges known to be affected.

showing 20 of 44
06

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.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundncsc_nlNVDCVE.orgMITRE
published 2025-08-26modified 2026-06-17
09

references (6)

External citations — patches, advisories, analysis.

scry

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