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UNIVERGE IX-R/IX-V series routers vulnerable to missing authentication for critical function

criticalCVE-2026-16876
UNIVERGE IX-R/IX-V series routers provided by NEC Corporation contain a missing authentication for critical function vulnerability.

CSIRTS triage

What
UNIVERGE IX-R/IX-V series routers contain a missing authentication vulnerability for critical functions.
Who is affected
Deployments of NEC UNIVERGE IX-R and IX-V series routers are affected.
Urgency
Critical urgency; missing authentication for critical functions allows unauthenticated attackers to compromise router operations and network integrity.
Action
Apply security updates from NEC Corporation addressing CVE-2026-16876.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
JVN (Japan Vulnerability Notes) (JP · national-cert · site)
Severity
critical
Published
2026-08-21
Exploitation
Not in CISA KEV at last sync

Original advisory: https://jvn.jp/en/jp/JVN81414813/

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-16876coverage & exploitation statusNVD · CVE.org

More from JVN (Japan Vulnerability Notes)