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TI-2026-24820 Aliases CVE-2026-32291GHSA-ffq4-j9j8-23g6

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

Priority HIGH 66CWE-306Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00353 29th percentileScored 2026-11-07
Fix Fixed Comet KVM (GL-iNet): 1.8.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GL.iNetComet KVMbefore 1.8.21.8.2Patch availableCNA
  • Comet KVM VendorGL.iNet Affected before 1.8.2 Fixed in 1.8.2 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:gl-inet:comet_gl-rm1_firmware:*:*:*:*:*:*:*:*before 1.8.2VulnerableGL.iNet
cpe:2.3:h:gl-inet:comet_gl-rm1:-:*:*:*:*:*:*:*not specified by NVDRunning onGL.iNet
  • cpe:2.3:o:gl-inet:comet_gl-rm1_firmware:*:*:*:*:*:*:*:* Versions before 1.8.2 Vulnerable ·GL.iNet
  • cpe:2.3:h:gl-inet:comet_gl-rm1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·GL.iNet

Remediation

  • Fix · CNA Comet KVM (GL-iNet) Fixed in 1.8.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    GL-iNet Comet KVM 1.8.2

    2 records Highest priority Priority HIGH 1 HIGH, 1 LOW

    Other records, highest priority first

    • TI-2026-24819 GL-iNet Comet (GL-RM1) KVM insufficient firmware verificationPriority LOW 32
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-32291
  2. 2026-10-03 Alias added: GHSA-ffq4-j9j8-23g6

References

Patch 1

Advisory 2

Other 1

  • TI-2026-24821 GL-iNet Comet (GL-RM1) KVM insufficient login rate-limiting CVSS 4.0CRITICAL 9.3
  • TI-2026-24819 GL-iNet Comet (GL-RM1) KVM insufficient firmware verification CVSS 4.0HIGH 7.0
  • TI-2026-24822 GL-iNet Comet (GL-RM1) KVM insufficient certificate validation CVSS 4.0MEDIUM 6.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences