CVE-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.
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Advisory coverage (1)
- criticalUNIVERGE IX-R/IX-V series routers vulnerable to missing authentication for critical functionjvn · 2026-08-21
External references
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[](https://www.csirts.com/cve/CVE-2026-16876)