CVE-2026-27842

9.3 criticalEPSS 0.7%

Critical (9.3). EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

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

CVSS 3.0

9.8 critical

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-288
Published: 2026-03-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

Check your stack JSON