CVE-2025-27026 - CVE House
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Status published Medium CVE-2025-27026

Improper Access Control Granularity impacting Infinera G42

Vulnerability Description

A missing double-check feature in the WebGUI for CLI deactivation in Infinera G42 version R6.1.3 allows an authenticated administrator to make other management interfaces unavailable via local and network interfaces. The CLI deactivation via the WebGUI does not only stop CLI interface but deactivates also Linux Shell, WebGUI and Physical Serial Console access. No confirmation is asked at deactivation time. Loosing access to these services device administrators are at risk of completely loosing device control.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Agenzia per la Cybersicurezza Nazionale

References

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CVE-2025-27023
Improper Input Validation in Infinera G42
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CVE-2025-27022
Path Traversal Vulnerability in Infinera G42
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CVE-2025-27021
Operating System Misconfiguration in Infinera G42
High 7

Affected Vendor

Affected Software

G42
Vulnerable Versions:
6.1.3

Timeline

Official Publish: July 2nd, 2025
Last Modified: July 2nd, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-1220

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.