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Page generated: 09 Nov 2026, 13:25 UTC
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CVE-2025-7775

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 1…

Read full description
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
CVSS 9.2 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.5/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.2: +1.38
  • Fresh EPSS: 20.67%: +0.10

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 24 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

The Hacker News
Press · 28 Mar 2026, 07:00 · Citrix NetScaler Under Active Recon for CVE-2026-3055 (CVSS 9.3) Memory Overread Bug - The Hacker News
The Hacker News
Press · 24 Mar 2026, 07:00 · Citrix Urges Patching Critical NetScaler Flaw Allowing Unauthenticated Data Leaks - The Hacker News
Help Net Security
Press · 17 Dec 2025, 08:00 · Cisco email security appliances rooted and backdoored via still unpatched zero-day - Help Net Security
CyberSecurityNews
Press · 20 Sep 2025, 07:00 · Top Zero-Day Vulnerabilities Exploited in the Wild in 2025 - CyberSecurityNews
Recorded Future
Press · 15 Sep 2025, 07:00 · August 2025 CVE Landscape - Recorded Future
See all 24 source documents
SC Media
Press · 04 Sep 2025, 07:00 · HexStrike AI pentesting framework abused to exploit Citrix vulnerabilities - SC Media
CyberSecurityNews
Press · 03 Sep 2025, 07:00 · Hackers Leverage Hexstrike-AI Tool to Exploit Zero Day Vulnerabilities Within 10 Minutes - CyberSecurityNews
SOC Prime
Press · 28 Aug 2025, 07:00 · CVE-2025-7775 Vulnerability: A New Critical NetScaler RCE Zero-Day Under Active Exploitation - SOC Prime
DoublePulsar
Press · 28 Aug 2025, 07:00 · Citrix forgot to tell you CVE-2025–6543 has been used as a zero day since May 2025 - DoublePulsar
CyberSecurityNews
Press · 28 Aug 2025, 07:00 · CISA Warns of Citrix Netscaler 0-day RCE Vulnerability Exploited in Attacks - CyberSecurityNews
Cyber Press
Press · 27 Aug 2025, 07:00 · Citrix NetScaler ADC and Gateway 0-Day RCE Under Active Exploitation - Cyber Press
Infosecurity Magazine
Press · 27 Aug 2025, 07:00 · Citrix Patches Three NetScaler Zero Days as One Sees Active Exploitation - Infosecurity Magazine
Cybersecurity Dive
Press · 27 Aug 2025, 07:00 · NetScaler warns hackers are exploiting zero-day vulnerability - Cybersecurity Dive
Rapid7
Press · 27 Aug 2025, 07:00 · CVE-2025-7775: Critical NetScaler vulnerability exploited in-the-wild - Rapid7
BleepingComputer
Press · 27 Aug 2025, 07:00 · Over 28,000 Citrix devices vulnerable to new exploited RCE flaw - BleepingComputer
Dark Reading
Press · 26 Aug 2025, 07:00 · Citrix Gear Under Active Attack Again With Another Zero-Day - Dark Reading
Help Net Security
Press · 26 Aug 2025, 07:00 · NetScaler ADC/Gateway zero-day exploited by attackers (CVE-2025-7775) – updated! - Help Net Security
The Hacker News
Press · 26 Aug 2025, 07:00 · Citrix Patches Three NetScaler Flaws, Confirms Active Exploitation of CVE-2025-7775 - The Hacker News
BleepingComputer
Press · 26 Aug 2025, 07:00 · Citrix fixes critical NetScaler RCE flaw exploited in zero-day attacks - BleepingComputer
CyberScoop
Press · 26 Aug 2025, 07:00 · Citrix NetScaler customers hit by third actively exploited zero-day vulnerability since June - CyberScoop
Arctic Wolf
Press · 26 Aug 2025, 07:00 · Recommendation for CVE-2025-7775 - Arctic Wolf
CERT-FR
Technical advisory · 26 Aug 2025, 00:00 · Vulnérabilité dans Citrix NetScaler ADC et NetScaler Gateway (26 août 2025)
CERT-FR
Press · 26 Aug 2025, 00:00 · Vulnérabilité dans Citrix NetScaler ADC et NetScaler Gateway (26 août 2025)
The Hacker News
Press · 11 Jul 2025, 07:00 · CISA Adds Citrix NetScaler CVE-2025-5777 to KEV Catalog as Active Exploits Target Enterprises - The Hacker News

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 8.5 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
swabird/CVE-2025-7775-PoC42Python28 Aug 2025, 07:30
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.2; EPSS 20.7%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction, additional attack conditions.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:59:47.664445+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
11 Jul 2025, 07:00
Added to the CISA KEV catalog
26 Aug 2025, 00:00
Published
26 Aug 2025, 12:56
Latest press mention
28 Mar 2026, 07:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
1 repositories
Source: CVE List V5 · CISA KEV · FIRST EPSS · GitHub · RSSVulnRadar