CVE-2025-5777—Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability

漏洞名称

Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability

描述

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.

已知用于勒索软件活动吗？

勒索软件状态：

KNOWN

采集行动

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

其他说明

• https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420
• https://nvd.nist.gov/vuln/detail/CVE-2025-5777

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• Wave of Citrix NetScaler scans use thousands of residential proxiesFebruary 3, 2026

相关 CWE

• CWE-125