Vulnerability · Published Mar 17, 2026 · Assigned by cisa-cg

CVE-2026-32291GL-iNet Comet (GL-RM1) KVM unauthenticated root access via UART serial console

Medium 6.8

In plain English

A medium-severity missing authentication in Comet KVM from GL-iNet. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.4%top 70.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
GL-iNet Comet KVM 0 – before 1.8.2

Weakness: CWE-306 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References