Stack-based buffer overflow in SMA 100 - CVE-2025-40596
Published: July 23, 2025
Vulnerability identifier: #VU113181
CSH Severity: Critical
CVSS v4: 9.3 [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]
CVE-ID: CVE-2025-40596
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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 unauthenticated attacker can send specially crafted requests to the device, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
SMA 100
How to mitigate CVE-2025-40596
Install updates from vendor's website.
SMA 100 - update to 10.2.2.1-90sv