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9.3
MR-GM5L-S1 and MR-GM5A-L1: Authentication Bypass Allows Configuration Changes
CVE-2026-27842
Summary
An attacker can exploit a vulnerability in these devices to bypass authentication and make unauthorized changes to their configuration. This could allow an attacker to compromise the security and functionality of the device. To protect your device, update to the latest firmware and ensure all users follow proper security procedures.
Original title
Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.
Original description
Authentication bypass issue exists in MR-GM5L-S1 and MR-GM5A-L1, which may allow an attacker to bypass authentication and change the device configuration.
nvd CVSS3.0
9.8
nvd CVSS4.0
9.3
Vulnerability type
CWE-288
Authentication Bypass Using Alternate Path
Published: 11 Mar 2026 · Updated: 13 Mar 2026 · First seen: 11 Mar 2026