CVE-2025-40979

DLL search order hijack in Wave by Grandstream Networks

Published Sep 10, 2025 CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Description
DLL search order hijacking vulnerability in the wave.exe executable for Windows 11, version 1.27.8. Exploitation of this vulnerability could allow attackers with local access to execute arbitrary code by placing an arbitrary file in the 'C:\Users<user>\AppData\Local\Temp' directory, which could lead to arbitrary code execution and persistence. This vulnerability is only replicable in versions of Windows 11 and does not affect earlier versions.

Remediation

Vendor Solution

The vulnerability has been fixed by the Grandstream Networks team in the 1.27.11 version.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-27534 DLL search order hijacking vulnerability in the wave.exe executable for Windows 11, version 1.27.8. Exploitation of this vulnerability could allow attackers with local access to execute arbitrary code by placing an arbitrary file in the 'C:\Users<user>\AppData\Local\Temp' directory, which could lead to arbitrary code execution and persistence. This vulnerability is only replicable in versions of Windows 11 and does not affect earlier versions.
History
Type Values Removed Values Added
First Time appeared Grandstream
Grandstream wave
Microsoft
Microsoft windows
Microsoft windows 11
Vendors & Products Grandstream
Grandstream wave
Microsoft
Microsoft windows
Microsoft windows 11
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description DLL search order hijacking vulnerability in the wave.exe executable for Windows 11, version 1.27.8. Exploitation of this vulnerability could allow attackers with local access to execute arbitrary code by placing an arbitrary file in the 'C:\Users<user>\AppData\Local\Temp' directory, which could lead to arbitrary code execution and persistence. This vulnerability is only replicable in versions of Windows 11 and does not affect earlier versions.
Title DLL search order hijack in Wave by Grandstream Networks
Weaknesses CWE-427
References
Metrics cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
INCIBE
Published
Updated
Sep 10, 2025, 8:23 PM
Reserved
Apr 16, 2025, 9:08 AM
Status
Deferred
Published
Sep 10, 2025, 12:15 PM
Modified
Sep 30, 2026, 7:10 PM