OS Command Injection in Aterm CM51FD and Aterm MR51FN - CVE-2026-8652
Published: May 26, 2026
Vulnerability identifier: #VU132312
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-8652
CWE-ID: CWE-78
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: NEC Corporation
Affected software:
Aterm CM51FD
Aterm MR51FN
Aterm CM51FD
Aterm MR51FN
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote administrator on the local network can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2026-8652
Install updates from vendor's website.