CVE-2026-32293
Received Received - Intake
Certificate Validation Bypass in GL-iNet Comet KVM Enables MITM

Publication date: 2026-03-17

Last updated on: 2026-04-27

Assigner: Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government

Description
The GL-iNet Comet (GL-RM1) KVM connects to a GL-iNet site during boot-up to provision client and CA certificates. The GL-RM1 does not verify certificates used for this connection, allowing an attacker-in-the-middle to serve invalid client and CA certificates. The GL-RM1 will attempt to use the invalid certificates and fail to connect to the legitimate GL-iNet KVM cloud service.
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Meta Information
Published
2026-03-17
Last Modified
2026-04-27
Generated
2026-06-16
AI Q&A
2026-03-17
EPSS Evaluated
2026-06-15
NVD
CVE-2026-32293
EUVD
EUVD-2026-12604
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
gl-inet comet_gl-rm1_firmware to 1.7.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-295 The product does not validate, or incorrectly validates, a certificate.
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Executive Summary

The GL-iNet Comet (GL-RM1) KVM device connects to a GL-iNet site during its boot-up process to provision client and CA certificates. However, it does not verify the certificates used for this connection. This lack of verification allows an attacker positioned in the middle of the connection (man-in-the-middle) to provide invalid client and CA certificates. The device will then attempt to use these invalid certificates, which causes it to fail to connect to the legitimate GL-iNet KVM cloud service.

Impact Analysis

This vulnerability can lead to a denial of service condition where the GL-RM1 device fails to connect to the legitimate GL-iNet KVM cloud service because it uses invalid certificates provided by an attacker. While it does not directly compromise confidentiality or integrity, the inability to connect properly may disrupt device provisioning and management.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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