CRITICALpublic-safe

CVE-2026-16876

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

CVSS
9.3 Severity
CRITICAL EPSS
0.0033 (26) KEV
-

Source-published summary

Possible impact

Affected context

Affected product or version requires source confirmation.

Remediation / advisory

Remediation reference present; patch status requires confirmation in the linked advisory.

Why it matters

Source describes authentication boundary review. Possible impact: This critical severity issue needs human triage to confirm exposure, affected versions, and vendor guidance for authentication boundary review.; CVSS 9.3 (CRITICAL); EPSS percentile 26; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

exposure unknown

Impact tags

authentication boundary review

Urgency reasons

CVSS CRITICALvendor advisory presentrecent updateremediation reference present

Source-derived note

Summary derived from NVD description; unsafe procedural detail is not shown.

Redaction metadata

source summary used: True
fallback summary used: False
unsafe procedural detail present: false
raw source displayed: false
public summary redacted: true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Handoff JSON Handoff Markdown Safe Codex prompt

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.