CVE-2023-45194

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-11 · updated 2026-06-17
Weakness: CWE-798

Description

Use of default credentials vulnerability in MR-GM2 firmware Ver. 3.00.03 and earlier, and MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W) firmware Ver. 1.03.45 and earlier allows a network-adjacent unauthenticated attacker to intercept wireless LAN communication, when the affected product performs the communication without changing the pre-shared key from the factory-default configuration.

Affected products

Mrl Mr-Gm2 Firmware: before 3.01.00 — fixed in 3.01.00
Mrl Mr-Gm3-D Firmware: before 1.04.00 — fixed in 1.04.00
Mrl Mr-Gm3-Dks Firmware: before 1.04.00 — fixed in 1.04.00
Mrl Mr-Gm3-K Firmware: before 1.04.00 — fixed in 1.04.00
Mrl Mr-Gm3-M Firmware: before 1.04.00 — fixed in 1.04.00
Mrl Mr-Gm3-S Firmware: before 1.04.00 — fixed in 1.04.00
Mrl Mr-Gm3-W Firmware: before 1.04.00 — fixed in 1.04.00

How to fix

Upgrade to a fixed version: Mrl Mr-Gm2 Firmware 3.01.00; Mrl Mr-Gm3-D Firmware 1.04.00; Mrl Mr-Gm3-Dks Firmware 1.04.00; Mrl Mr-Gm3-K Firmware 1.04.00; Mrl Mr-Gm3-M Firmware 1.04.00; Mrl Mr-Gm3-S Firmware 1.04.00; Mrl Mr-Gm3-W Firmware 1.04.00. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2023-45194 or the next vulnerability affects your stack