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TI-2026-22193 Aliases CVE-2026-27842GHSA-2m33-h63p-wx98

Authentication bypass in Micro Research Ltd. MR-GM5L-S1

Priority MEDIUM 49CWE-288Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-288.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00717 54th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Micro Research Ltd.MR-GM5L-S1firmware versions prior to v2.01.04N1_02—No fix listedCNA
Micro Research Ltd.MR-GM5A-L1firmware versions prior to v2.01.04N1_02—No fix listedCNA
  • MR-GM5L-S1 VendorMicro Research Ltd. Affected firmware versions prior to v2.01.04N1_02 Fixed in — No fix listed CNA
  • MR-GM5A-L1 VendorMicro Research Ltd. Affected firmware versions prior to v2.01.04N1_02 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-27842
  2. 2026-10-03 Alias added: GHSA-2m33-h63p-wx98

References

Other 2

  • TI-2026-19711 Hard-coded credentials in Micro Research Ltd. MR-GM5L-S1 CVSS 4.0CRITICAL 9.3
  • TI-2026-16918 Code injection in Micro Research Ltd. MR-GM5L-S1 CVSS 4.0HIGH 8.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences