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CVE-2026-32291

GL-iNet Comet (GL-RM1) KVM unauthenticated root access via UART serial console

Published: Mar 17, 2026Updated: Apr 27, 2026 Sources: CVE List NVD csafCWE-306
NVD MITRE
6.8CVSSMEDIUM
EPSS Score
0.3%
Top 75.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

The GL-iNet Comet (GL-RM1) KVM before 1.8.2 does not require authentication on the UART serial console. This attack requires physically opening the device and connecting to the UART pins.

CVSS Vector Breakdown

AV:PAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:PAttack Vector
Physical
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-306

Affected Products

comet gl-rm1 firmwaregl-inetNetworking Infrastructure
Comet KVMGL-iNetNetworking Infrastructure
gl-inetcommercialUSNetworking Infrastructureaka ar300m16 firmware, gl-ax1800 firmware, gl-ar300m firmware

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://dl.gl-inet.com/release/kvm/release/RM1/1.8.2
dl.gl-inet.com
https://eclypsium.com/blog/your-kvm-is-the-weak-link-how-30-dollar-devices-can-own-your-entire-network/
eclypsium.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-076-01.json
raw.githubusercontent.com
and 12 more references View all →

Timeline

Published
Mar 17, 2026
Last Updated
Apr 27, 2026

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