Grandstream Wave up to 1.27.8 on Windows wave.exe uncontrolled search path

Summaryinfo

A vulnerability was found in Grandstream Wave up to 1.27.8 on Windows. It has been rated as problematic. This vulnerability affects unknown code of the file wave.exe. This manipulation causes uncontrolled search path. This vulnerability is handled as CVE-2025-40979. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Grandstream Wave up to 1.27.8 on Windows and classified as critical. Affected by this vulnerability is an unknown function of the file wave.exe. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. The CWE definition for the vulnerability is CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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\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.

The weakness was released by Alexander Huaman Jaimes. It is possible to read the advisory at incibe.es. This vulnerability is known as CVE-2025-40979 since 04/16/2025. The exploitation appears to be difficult. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

Upgrading to version 1.27.11 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-27534). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Grandstream

Name

• Wave

Version

• 1.27.0
• 1.27.1
• 1.27.2
• 1.27.3
• 1.27.4
• 1.27.5
• 1.27.6
• 1.27.7
• 1.27.8

License

• commercial

CPE 2.3info

• 🔒
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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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