Heap-based buffer overflow in SMA 100 - CVE-2025-40597

 

Heap-based buffer overflow in SMA 100 - CVE-2025-40597

Published: July 23, 2025


Vulnerability identifier: #VU113182
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2025-40597
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SonicWall
Affected software:
SMA 100

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the web interface. A remote non-authenticated attacker can send specially crafted requests to the device, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2025-40597

Install updates from vendor's website.

Sources