CVE-2025-27026: g42 (CVSS 4.9)

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.

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CVSS v3.1 Score

4.9

MEDIUM

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

Weakness Type (CWE)

CWE-1220 CWE-1220

Affected Products

Vendor	Product	Versions
nokia	g42_firmware	6.1.3 — 8.0
nokia	g42	All

References

Other References

https://euvd.enisa.europa.eu/vulnerability/CVE-2025-27026 https://www.cvcn.gov.it/cvcn/cve/CVE-2025-27026

Frequently Asked Questions

What is CVE-2025-27026? +

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. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2025-27026? +

CVE-2025-27026 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-27026? +

CVE-2025-27026 affects products from nokia, specifically: g42, g42_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-27026? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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