CVE-2026-27842
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability—
ProductMR-GM5L-S1
PublishedMar 11, 2026
First seenMar 11, 2026
Weakness typeCWE-288CWE-288
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Micro Research Ltd. MR-GM5L-S1 | firmware versions prior to v2.01.04N1_02 | — |
| Micro Research Ltd. MR-GM5A-L1 | firmware versions prior to v2.01.04N1_02 | — |
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