← Vulnerability feed

Vulnerability record · CVE-2026-32291 · published 17 March 2026

CVE-2026-32291: Gl-inet comet gl-rm1 firmware missing authentication for critical function vulnerability

Gl Inet · Comet Gl Rm1 Firmware

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.

7.0 CVSS 4.0 High EPSS 0.34% · top 74.7% CWE-306 · Missing authentication for critical function
7.0CVSS 4.0 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://dl.gl-inet.com/release/kvm/release/RM1/1.8.2 Release Notes
https://eclypsium.com/blog/your-kvm-is-the-weak-link-how-30-dollar-devices-can-own-your-entire-network/ Third Party Advisory
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-26-076-01.json Broken Link
https://www.cve.org/CVERecord?id=CVE-2026-32291 Third Party Advisory

Track CVE-2026-32291 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2026-32292Gl-inet comet gl-rm1 firmware improper restriction of authentication attempts vulnerabilityThe GL-iNet Comet (GL-RM1) KVM web interface does not limit login requests, enabling brute-force attempts to guess credentials.EPSS 0.55%7.0CVE-2026-32290Gl-inet comet gl-rm1 firmware insufficient verification of data authenticity vulnerabilityThe 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-midd…EPSS 0.13%6.3CVE-2026-32293Gl-inet comet gl-rm1 firmware improper certificate validation vulnerabilityThe 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 certific…EPSS 0.32%8.8CVE-2026-67277MikroTik RouterOS btest missing authentication leaks kernel memory and crashes kernelRouterOS accepts a "related" btest connection before the primary session is authenticated, letting an unauthenticated client start an IPv4 UDP test. …KEVEPSS 1.6%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed9.3CVE-2026-72529TrueConf Server missing authentication allows remote script executionTrueConf Server versions 5.3.X through 5.3.9, 5.4.X through 5.4.9, 5.5.X through 5.5.5, and earlier expose an undocumented function on port 4307/TCP …KEVEPSS 1.5%analysed9.8CVE-2026-46817Oracle E-Business Suite Payments missing authentication allows takeoverOracle Payments in Oracle E-Business Suite 12.2.3 through 12.2.15 contains an easily exploitable flaw in the File Transmission component. An unauthen…KEVEPSS 0.81%analysed9.8CVE-2026-56164Microsoft SharePoint Server missing authentication allows privilege elevationMicrosoft Office SharePoint Server contains a missing authentication flaw in a critical function (CWE-306), letting an unauthenticated attacker reach…KEVEPSS 1.0%analysed

Source: NIST National Vulnerability Database (record CVE-2026-32291), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.