CVE-2026-8652 PUBLISHED

Assigner: NEC
Reserved: 15.05.2026 Published: 25.05.2026 Updated: 25.05.2026

An OS Command Injection vulnerability exists in Aterm. If a malicious third person gains administrator access to the product’s web console, they may be able to execute arbitrary OS commands via adjacent network.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 8.5

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	NEC Platforms, Ltd.
Product	Aterm MR51FN
Versions	Default: unknown Version Before Ver. 3.4.0 is affected

Vendor	NEC Platforms, Ltd.
Product	Aterm CM51FD
Versions	Default: unknown Version Before Ver. 1.2.0 is affected

Credits

Sou Katou of Mitsui & Co. Secure Direction, Inc. reporter

References

https://jpn.nec.com/security-info/secinfo/nv26-003_en.html

Problem Types

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE