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Fencer Vulns
medium 4.3

CVE-2023-45194 json

Use of default credentials vulnerability in MR-GM2 firmware Ver.

published 2023-10-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-49501

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

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.

Patch / fix

  • mrl mr-gm3-d_firmware 1.04.00
  • mrl mr-gm3-k_firmware 1.04.00
  • mrl mr-gm3-s_firmware 1.04.00
  • mrl mr-gm3-dks_firmware 1.04.00
  • mrl mr-gm3-m_firmware 1.04.00
  • mrl mr-gm2_firmware 3.01.00
  • mrl mr-gm3-w_firmware 1.04.00

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Micro Research Ltd. MR-GM2
  • Micro Research Ltd. MR-GM3 (-D/-K/-S/-DK/-DKS/-M/-W)

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.