CVE-2025-5941— Out-of-Bounds Read Vulnerability in Netskope Client
Quick assessment
Affected
Netskope Netskope Client
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Netskope Client是美国Netskope公司的一款用于连接管理Netskope云平台的客户端程序。 Netskope Client存在安全漏洞，该漏洞源于特制DNS数据包可能导致内存泄漏，泄露用户可控内存。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-5941
Vulnerability Information
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Vulnerability Title
Out-of-Bounds Read Vulnerability in Netskope Client
Source: CVE Program / CVE List V5
Vulnerability Description
Netskope is notified about a potential gap in its agent (NS Client) in which a malicious actor could trigger a memory leak by sending a crafted DNS packet to a machine. A successful exploitation may require administrative privileges on the machine, based on the exact configuration. A successful exploit can potentially result in user-controllable memory being leaked in a domain name stored on the local machine.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Netskope Client 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netskope Client是美国Netskope公司的一款用于连接管理Netskope云平台的客户端程序。 Netskope Client存在安全漏洞，该漏洞源于特制DNS数据包可能导致内存泄漏，泄露用户可控内存。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Netskope | Netskope Client | 0 ~ 128.0.0 | - |
|
II. Public POCs for CVE-2025-5941
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Netskope · 2025-08-14 · 4 CVEs total
| CVE-2025-0309 | Netskope Client Local Elevation of Privileges | |
| CVE-2025-5942 | Heap Overflow in Netskope Endpoint DLP Driver | |
| CVE-2024-7402 | Netskope Client Configuration Tampering with Local MITM |
IV. Related Vulnerabilities
Same product: Netskope Client
-
CVE-2025-15642
Netskope Client Service Insufficient Access Controls -
CVE-2025-15641
Netskope Client Exposed IOCTL with Insufficient Access Contr -
CVE-2025-11156
Improper Service Loading Vulnerability in Netskope Endpoint -
CVE-2025-5942
Heap Overflow in Netskope Endpoint DLP Driver -
CVE-2025-0309
Netskope Client Local Elevation of Privileges
Same vendor: Netskope
-
CVE-2026-15710
Netskope Client Endpoint DLP Kernel Driver Information Leaka -
CVE-2026-16174
Netskope Endpoint DLP Driver Integer Overflow Leading to Ker -
CVE-2026-16172
Netskope Endpoint DLP Service Out-of-Bounds Read Leading to -
CVE-2025-15642
Netskope Client Service Insufficient Access Controls -
CVE-2025-15641
Netskope Client Exposed IOCTL with Insufficient Access Contr
Same weakness: CWE-125
-
CVE-2026-104433
Mooncake before 0.3.12 Out-of-Bounds Read via P2P Handshake -
CVE-2026-79896
Fortra BoKS Manager boks_portmux TLS ClientHello out-of-boun -
CVE-2026-103678
Tnef: heap out-of-bounds read in get_rtf_data_from_buf() via -
CVE-2026-103641
Gegl: gegl04: gegl: out-of-bounds read in the radiance hdr u -
CVE-2026-47544
NVIDIA vGPU Linux越界读取致代码执行漏洞
V. Comments for CVE-2025-5941
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