What is CVE-2026-32290?

CVE-2026-32290 is a medium-severity vulnerability in Gl-Inet Comet Gl-Rm1, classified under Insufficient Verification of Data Authenticity. CVSS score: 4.7/10. Published 2026-03-17.

How severe is CVE-2026-32290?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Gl-Inet Comet Gl-Rm1

CVE-2026-32290

The GL-iNet Comet (GL-RM1) KVM before version 1.8.2 does not sufficiently verify the authenticity of uploaded firmware files. An attacker-in-the-middle or a compromised update server could modify the firmware and the corresponding MD5 hash to pass verification.

Published 2026-03-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.001 · change: -0.000

Affected products

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory)
9119a7d8-5eab-497f-8521-727c672e3725 (Broken Link)
9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory)
9119a7d8-5eab-497f-8521-727c672e3725 (Release Notes, patch)

Frequently asked questions

What is CVE-2026-32290?: CVE-2026-32290 is a medium-severity vulnerability in Gl-Inet Comet Gl-Rm1, classified under Insufficient Verification of Data Authenticity. CVSS score: 4.7/10. Published 2026-03-17.
How severe is CVE-2026-32290?: Medium severity. CVSS v3 base score is 4.7 out of 10.