9.8

CVE-2025-7776: citrix netscaler_application_delivery_controller

CVSS: 9.8v3.1CriticalAnalyzed
Published 26-08-2025Last modified 27-08-2025
Open JSON

Vulnerability summary

CVE-2025-7776 is a critical (CVSS 9.8) vulnerability in citrix netscaler_application_delivery_controller. EPSS estimates a 8.21% chance of exploitation in the next 30 days, higher than 94.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
8.21%
0%100%
Low · +1.31 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-08-2025
    PublishedVulnerability first disclosed.
  2. 27-08-2025
    Last modifiedVulnerability information updated.

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

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

8.21%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

+1.31 pp

From 6.90% on 18-09-2026

18-09-202618-10-2026
EPSS score
8.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Citrix2 products
Netscaler2 products
  • adc≥ 14.1, < 47.48 | ≥ 13.1, < 59.22 | ≥ 13.1 FIPS and NDcPP, < 37.241 | ≥ 12.1 FIPS and NDcPP, < 55.330
  • gateway≥ 14.1, < 47.48 | ≥ 13.1, < 59.22 | ≥ 13.1 FIPS and NDcPP, < 37.241 | ≥ 12.1 FIPS and NDcPP, < 55.330

2 vendors · 4 products

References

1 links