CVE-2025-5777

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2025-5777

Confirmed

Yes

2025-07-10 00:00 UTC

Timestamps

2025-07-10

2025-07-10

Scope

KEV entry: Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability | Affected: Citrix / NetScaler ADC and Gateway | Description: Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server. | 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. | Due date: 2025-07-11 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420 ; https://nvd.nist.gov/vuln/detail/CVE-2025-5777

References
  • {'id': 'CVE-2025-5777', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-5777'}

e57d503c-0dfe-4374-a66d-3fdc00d54a0d

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-125"
  ],
  "date_added": "2025-07-10",
  "due_date": "2025-07-11",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Known",
  "product": "NetScaler ADC and Gateway",
  "vendorProject": "Citrix",
  "vulnerabilityName": "Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability"
}
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