CVE-2025-5942— Heap Overflow in Netskope Endpoint DLP Driver
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是美国Netskope公司的一款应用于云环境的威胁防护网关。 Netskope存在安全漏洞，该漏洞源于未授权用户可触发堆溢出导致蓝屏死机，可能造成拒绝服务。
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I. Basic Information for CVE-2025-5942
Vulnerability Information
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Vulnerability Title
Heap Overflow in Netskope Endpoint DLP Driver
Source: CVE Program / CVE List V5
Vulnerability Description
Netskope was notified about a potential gap in its agent (NS Client) on Windows systems. If this gap is successfully exploited, an unprivileged user can trigger a heap overflow in the epdlpdrv.sys driver, leading to a Blue-Screen-of-Death (BSOD). Successful exploitation can also potentially be performed by an unprivileged user whose NS Client is configured to use Endpoint DLP. A successful exploit can result in a denial-of-service for the local machine.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Netskope 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netskope是美国Netskope公司的一款应用于云环境的威胁防护网关。 Netskope存在安全漏洞，该漏洞源于未授权用户可触发堆溢出导致蓝屏死机，可能造成拒绝服务。
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 ~ 126.0.9, 129.0.0 | - |
|
II. Public POCs for CVE-2025-5942
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Netskope · 2025-08-14 · 4 CVEs total
| CVE-2025-0309 | Netskope Client Local Elevation of Privileges | |
| CVE-2025-5941 | Out-of-Bounds Read Vulnerability in Netskope Client | |
| 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-2025-0309
Netskope Client Local Elevation of Privileges -
CVE-2025-5941
Out-of-Bounds Read Vulnerability in Netskope Client
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-122
-
CVE-2026-103631
Chrome <154.0.8037.97 WebRTC堆溢出漏洞 -
CVE-2026-91135
Apache Thrift: C++ `THeaderTransport::transform()` heap buff -
CVE-2026-14316
Heap buffer overflow in boks_sshd revoked-key error handling -
CVE-2026-101283
iperf3 3.20-3.21 RSA解密堆溢出漏洞 -
CVE-2026-103242
Rpm: heap-based buffer overflow write in hex2binv() via a mi
V. Comments for CVE-2025-5942
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