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Vulnerability record · CVE-2026-32293 · published 17 March 2026

CVE-2026-32293: Gl-inet comet gl-rm1 firmware improper certificate validation vulnerability

Gl Inet · Comet Gl Rm1 Firmware

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.

6.3 CVSS 4.0 Medium EPSS 0.32% · top 77.5% CWE-295 · Improper certificate validation
6.3CVSS 4.0 base score
0.32%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 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.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/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/RM1/1.7.2 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-2026-32293 Third Party Advisory

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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-2026-32291Gl-inet comet gl-rm1 firmware missing authentication for critical function vulnerabilityThe 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 d…EPSS 0.34%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%9.8CVE-2026-85102Checkpoint gaia embedded improper certificate validation vulnerabilityImproper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an unauthenticated remote attacker to …KEVEPSS 0.99%5.5CVE-2023-41991Apple iOS, iPadOS and macOS certificate validation bypassApple iOS, iPadOS and macOS contain an improper certificate validation flaw (CWE-295) that lets a malicious app bypass signature validation. Apple st…KEVEPSS 13%analysed7.8CVE-2023-20963Android WorkSource parcel mismatch local privilege escalationCVE-2023-20963 is a parcel mismatch in Android's WorkSource component that allows a local attacker to escalate privileges without additional executio…KEVEPSS 1.5%analysed8.8CVE-2022-26923Microsoft Active Directory Domain Services certificate validation privilege escalationActive Directory Domain Services fails to properly validate certificate attributes, allowing a low-privileged domain user to obtain a certificate tha…KEVEPSS 84%analysed8.0CVE-2022-20703Cisco Small Business RV Series Routers stack-based buffer overflowCVE-2022-20703 covers multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340 and RV345 Series Routers, including a stack-based buffer o…KEVEPSS 9.2%analysed

Source: NIST National Vulnerability Database (record CVE-2026-32293), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.