CVE-2026-27842

CRITICAL EPSS 42.3%

Published Mar 11, 20263mo ago · Modified Jun 17, 20261w ago

9.3 CVSS 4.0

Critical

Published Mar 11, 2026 3mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/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:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

42.3% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-288

References 2

jvn.jp https://jvn.jp/en/vu/JVNVU98103854/
mrl.co.jp https://www.mrl.co.jp/download/security/JVNVU98103854.pdf

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.