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CVE-2023-45194

MEDIUM
4.3
CVSS Score
Published: October 11, 2023 at 12:12 AM UTC
Updated: June 17, 2026 at 06:28 AM UTC
16 products affected across 2 vendorsMr Gm3-w FirmwareMr Gm3-s FirmwareMr Gm3-k Firmware

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mr GM2 Firmware· Mrl
95%
v < 3.01.00
Affected range stops below 3.01.00, so it looks safe — our inference, not a vendor statement
mrl-mr-gm2 (same device)
Mr Gm3-d Firmware· Mrl
95%
v < 1.04.00
Affected range stops below 1.04.00, so it looks safe — our inference, not a vendor statement
mrl-mr-gm3-d (same device)
Mr Gm3-dks Firmware· Mrl
95%
v < 1.04.00
Affected range stops below 1.04.00, so it looks safe — our inference, not a vendor statement
mrl-mr-gm3-dks (same device)
Mr Gm3-k Firmware· Mrl
95%
v < 1.04.00
Affected range stops below 1.04.00, so it looks safe — our inference, not a vendor statement
mrl-mr-gm3-k (same device)
Mr Gm3-m Firmware· Mrl
95%
v < 1.04.00
Affected range stops below 1.04.00, so it looks safe — our inference, not a vendor statement
mrl-mr-gm3-m (same device)
Mr Gm3-s Firmware· Mrl
95%
v < 1.04.00
Affected range stops below 1.04.00, so it looks safe — our inference, not a vendor statement
mrl-mr-gm3-s (same device)
Mr Gm3-w Firmware· Mrl
95%
v < 1.04.00
Affected range stops below 1.04.00, so it looks safe — our inference, not a vendor statement
mrl-mr-gm3-w (same device)
MR-GM2· Micro Research
60%
v ≤ 3.00.03
MR-GM3· Micro Research
60%
v ≤ 1.03.45
Mr-Gm2· Mrldevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Third Party Advisory
Source: [email protected]
https://jvn.jp/en/vu/JVNVU99039725/
PatchVendor Advisory
Source: [email protected]
https://www.mrl.co.jp/20231005_security/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-798

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