Vulnerability · Published Sep 10, 2025 · Assigned by INCIBE
CVE-2025-40979DLL search order hijack in Wave by Grandstream Networks
High 7.0
In plain English
A high-severity uncontrolled search path in Wave from Grandstream Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Grandstream Networks | Wave | 0 – before 1.27.11 |
Weakness: CWE-427 · 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