The GL-iNet Comet (GL-RM1) KVM does not require authentication on the UART serial console. This attack requires physically opening the device and connecting to the UART pins.

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
GL-iNet Comet KVM unknown
Version Status Constraints
0 affected < *

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://eclypsium.com/blog/your-kvm-is-the-weak-link-how-30-dollar-devices-can-own-your-entire-network/ cve-icon cve-icon
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-076-01.json cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-32291 cve-icon cve-icon
History

Tue, 17 Mar 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 17 Mar 2026 17:45:00 +0000

Type Values Removed Values Added
Description The GL-iNet Comet (GL-RM1) KVM does not require authentication on the UART serial console. This attack requires physically opening the device and connecting to the UART pins.
Title GL-iNet Comet (GL-RM1) KVM unauthenticated root access via UART serial console
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisa-cg

Published:

Updated: 2026-03-17T18:12:50.187Z

Reserved: 2026-03-11T18:26:10.038Z

Link: CVE-2026-32291

cve-icon Vulnrichment

Updated: 2026-03-17T18:12:31.408Z

cve-icon NVD

Status : Received

Published: 2026-03-17T18:16:16.057

Modified: 2026-03-17T18:16:16.057

Link: CVE-2026-32291

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses