CVE-2026-16876

State: Published
Severity: 9.3 Critical
Published: Sep 7, 2026
Updated: Sep 8, 2026
Reserved: Jul 24, 2026

Description

An authentication bypass vulnerability exists in the WebGUI of Series UNIVERGE IX-R/IX-V. A user could bypass authentication and execute arbitrary CLI commands by tampering with WebGUI messages and sending them to the device via internet.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N	NEC

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
UNIVERGE IX-R/IX-VNEC Corporation	All versions from Ver1.1 through Ver1.3, All versions from Ver1.4.21 through Ver1.4.28 and Ver1.5.23Affected

References

https://jpn.nec.com/security-info/secinfo/nv26-005_en.html

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