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01 Record

CVE-2025-7775

Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service

CriticalKEVPUBLISHEDCNA: Citrix
CNA base score9.2 CVSS v4.0CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
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02 Description

Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-08-26. Federal remediation due 2025-08-28.
SSVC decision
  • ExploitationactiveCISA reports credible evidence of active exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
20.67% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 97.5% of scored records. A rank, not a probability.
NVD base score
9.2 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS: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:X
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-08-26 12:56Z1 YR AGO
Last updated
2026-02-26 17:48Z8 MO AGO
Reserved
2025-07-17
Assigning CNA
Citrix
Record state
PUBLISHED
Severity
Critical (CVSS 9.2)
CNA CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
Weaknesses
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
Data version
5.2
Document digest
37fe0c9e59bc18127c5f9ff1de682535ca0cb9c459ccdfe5e6f1b00d64a5d7e0

05 Affected products

VendorProductVersionsPlatforms
NetScalerADC14.1 to < 47.48, 13.1 to < 59.22, 13.1 FIPS and NDcPP to < 37.241, 12.1 FIPS and NDcPP to < 55.330—
NetScalerGateway14.1 to < 47.48, 13.1 to < 59.22, 13.1 FIPS and NDcPP to < 37.241, 12.1 FIPS and NDcPP to < 55.330—

06 References