CVE-2025-7775

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2025-08-26), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • 566 internet-exposed hosts are running an affected version right now
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 19%CVSS: 9.8Exploit: cisa kev · ssvc active · epss top5pct · public exploitExposed: 566

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

Live · internet exposure

566 internet-exposed hosts are running an affected version of CVE-2025-7775 right now.

across 17 countries (Australia, United Kingdom, Lithuania, Bulgaria, United States)top: netscaler_gateway
See the live KEV-Exposure radar →Found passively from public internet-scan data — aggregate, host-redacted.

EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
84(Attend)
EG Risk 84/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
19%
EPSS %ILE
97%
KEV
⚠ Exploited

Published

August 26, 2025

Last Modified

June 17, 2026

Advisory Details (2)

Auto-updated Jul 25, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-7775
generic

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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 46× in last 7d / 234× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 466 total refreshes for this CVE.

  1. 2026-07-27 04:07 UTCGHSA enrichment
  2. 2026-07-27 00:20 UTCGHSA enrichment
  3. 2026-07-26 20:34 UTCGHSA enrichment
  4. 2026-07-26 16:48 UTCEG score recompute
  5. 2026-07-26 16:48 UTCGHSA enrichment
  6. 2026-07-26 14:54 UTCEPSS rescore
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-26 13:03 UTCEG score recompute
  9. 2026-07-26 13:03 UTCGHSA enrichment
  10. 2026-07-26 09:16 UTCGHSA enrichment
  11. 2026-07-26 05:30 UTCGHSA enrichment
  12. 2026-07-26 01:44 UTCEG score recompute
  13. 2026-07-26 01:44 UTCGHSA enrichment
  14. 2026-07-25 14:17 UTCEPSS rescore
  15. 2026-07-25 14:17 UTCEPSS rescore
  16. 2026-07-24 14:17 UTCEPSS rescore
  17. 2026-07-23 14:18 UTCEPSS rescore
  18. 2026-07-23 14:18 UTCEPSS rescore
  19. 2026-07-23 03:03 UTCEG score recompute
  20. 2026-07-22 23:52 UTCEG score recompute
  21. 2026-07-22 23:51 UTCGHSA enrichment
  22. 2026-07-22 20:06 UTCGHSA enrichment
  23. 2026-07-22 19:40 UTCCISA KEV update
  24. 2026-07-22 16:19 UTCEG score recompute
  25. 2026-07-22 16:18 UTCGHSA enrichment
Show 75 more
  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-22 12:33 UTCGHSA enrichment
  3. 2026-07-22 08:48 UTCGHSA enrichment
  4. 2026-07-22 05:03 UTCGHSA enrichment
  5. 2026-07-22 01:16 UTCGHSA enrichment
  6. 2026-07-21 21:31 UTCGHSA enrichment
  7. 2026-07-21 17:46 UTCEG score recompute
  8. 2026-07-21 17:45 UTCGHSA enrichment
  9. 2026-07-21 15:24 UTCEPSS rescore
  10. 2026-07-21 14:37 UTCCISA KEV update
  11. 2026-07-21 14:00 UTCGHSA enrichment
  12. 2026-07-21 10:12 UTCGHSA enrichment
  13. 2026-07-21 06:25 UTCGHSA enrichment
  14. 2026-07-21 02:40 UTCGHSA enrichment
  15. 2026-07-20 22:54 UTCGHSA enrichment
  16. 2026-07-20 19:09 UTCEG score recompute
  17. 2026-07-20 19:09 UTCGHSA enrichment
  18. 2026-07-20 17:08 UTCEPSS rescore
  19. 2026-07-20 15:25 UTCGHSA enrichment
  20. 2026-07-20 11:38 UTCGHSA enrichment
  21. 2026-07-20 07:53 UTCGHSA enrichment
  22. 2026-07-20 04:08 UTCGHSA enrichment
  23. 2026-07-20 00:23 UTCGHSA enrichment
  24. 2026-07-19 20:37 UTCGHSA enrichment
  25. 2026-07-19 16:52 UTCEG score recompute
  26. 2026-07-19 16:52 UTCGHSA enrichment
  27. 2026-07-19 14:30 UTCEPSS rescore
  28. 2026-07-19 14:30 UTCEPSS rescore
  29. 2026-07-19 13:07 UTCGHSA enrichment
  30. 2026-07-19 09:22 UTCGHSA enrichment
  31. 2026-07-19 05:37 UTCGHSA enrichment
  32. 2026-07-19 01:52 UTCGHSA enrichment
  33. 2026-07-18 22:07 UTCGHSA enrichment
  34. 2026-07-18 18:21 UTCGHSA enrichment
  35. 2026-07-18 14:36 UTCGHSA enrichment
  36. 2026-07-18 10:51 UTCEG score recompute
  37. 2026-07-18 10:51 UTCGHSA enrichment
  38. 2026-07-18 10:04 UTCEPSS rescore
  39. 2026-07-18 10:04 UTCEPSS rescore
  40. 2026-07-18 07:05 UTCGHSA enrichment
  41. 2026-07-18 03:20 UTCGHSA enrichment
  42. 2026-07-17 23:35 UTCGHSA enrichment
  43. 2026-07-17 19:50 UTCGHSA enrichment
  44. 2026-07-17 16:05 UTCGHSA enrichment
  45. 2026-07-17 12:20 UTCGHSA enrichment
  46. 2026-07-17 08:35 UTCEG score recompute
  47. 2026-07-17 08:35 UTCGHSA enrichment
  48. 2026-07-17 04:50 UTCGHSA enrichment
  49. 2026-07-17 01:05 UTCGHSA enrichment
  50. 2026-07-16 21:19 UTCGHSA enrichment
  51. 2026-07-16 17:34 UTCGHSA enrichment
  52. 2026-07-16 17:04 UTCCISA KEV update
  53. 2026-07-16 17:02 UTCEPSS rescore
  54. 2026-07-16 17:02 UTCEPSS rescore
  55. 2026-07-16 13:48 UTCGHSA enrichment
  56. 2026-07-16 10:04 UTCGHSA enrichment
  57. 2026-07-16 06:19 UTCGHSA enrichment
  58. 2026-07-16 02:34 UTCGHSA enrichment
  59. 2026-07-15 22:49 UTCGHSA enrichment
  60. 2026-07-15 19:04 UTCGHSA enrichment
  61. 2026-07-15 16:57 UTCEPSS rescore
  62. 2026-07-15 16:57 UTCEPSS rescore
  63. 2026-07-15 16:49 UTCCISA KEV update
  64. 2026-07-15 15:18 UTCGHSA enrichment
  65. 2026-07-15 15:04 UTCCISA KEV update
  66. 2026-07-15 11:33 UTCGHSA enrichment
  67. 2026-07-15 07:47 UTCGHSA enrichment
  68. 2026-07-15 04:01 UTCGHSA enrichment
  69. 2026-07-15 02:00 UTCEPSS rescore
  70. 2026-07-15 01:59 UTCEPSS rescore
  71. 2026-07-15 00:16 UTCGHSA enrichment
  72. 2026-07-14 20:30 UTCGHSA enrichment
  73. 2026-07-14 18:05 UTCCISA KEV update
  74. 2026-07-14 16:45 UTCGHSA enrichment
  75. 2026-07-14 13:00 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCrxerium/CVE-2025-7775
    First seen Aug 31, 2025

    Detection for CVE-2025-7775

    Open source ↗
  • GitHub PoCswabird/CVE-2025-7775-PoC
    First seen Aug 28, 2025
    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2025-7775?
CVE-2025-7775 is a critical vulnerability published on August 26, 2025. 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,…
When was CVE-2025-7775 disclosed?
CVE-2025-7775 was first published in the National Vulnerability Database on August 26, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-7775 actively exploited?
Yes. CISA added CVE-2025-7775 to the Known Exploited Vulnerabilities catalog on August 26, 2025, affecting Citrix NetScaler. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2025-7775?
CVE-2025-7775 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2025-7775?
CVE-2025-7775 affects Citrix NetScaler. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2025-7775?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-7775, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2025-7775

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