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01 Record

CVE-2026-36612

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 enables WPS 2.0 by default with a weak lockout policy (60-second lockout after 10 attempts).

MediumPUBLISHEDCNA: mitre
CNA base score6.4 CVSS v3.xCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

02 Description

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 enables WPS 2.0 by default with a weak lockout policy (60-second lockout after 10 attempts).

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.13% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 3.2% of scored records. A rank, not a probability.
NVD base score
6.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD analysis status
Deferred. NVD last modified this record on 2026-07-22.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-06-03 00:00Z4 MO AGO
Last updated
2026-06-04 12:33Z4 MO AGO
Reserved
2026-04-06
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Medium (CVSS 6.4)
CNA CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Weaknesses
  • CWE-307Improper Restriction of Excessive Authentication AttemptsBase
  • CWE-1188Initialization of a Resource with an Insecure DefaultBase
Data version
5.2
Document digest
218802dd48873c7f05904d093b1113cfcfd90eb4aea836369afd8a8e9eeca4af

05 Affected products

No products listed

This record names no affected vendor or product. That is common for reserved identifiers and for records whose CNA published only a narrative description.

06 References