CVE-2026-27842

critical

Published 2026-03-11 · Modified 2026-04-30

CVSS v3

9.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2

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VIR risk

9.8

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

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

CWEs

CWE-288

Verify integrity in audit chain (admin only). AS-IS.