Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials.

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Fixes

Solution

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Workaround

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History

Wed, 03 Jun 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-319
CWE-523
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 03 Jun 2026 19:15:00 +0000

Type Values Removed Values Added
Title Plaintext Transmission of DDNS Credentials in Mercusys AC12G (EU) V1
Weaknesses CWE-311

Wed, 03 Jun 2026 17:45:00 +0000

Type Values Removed Values Added
Description Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding. The firmware contains no TLS implementation, allowing man-in-the-middle interception of DDNS service credentials.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-03T20:19:58.221Z

Reserved: 2026-04-06T00:00:00.000Z

Link: CVE-2026-36610

cve-icon Vulnrichment

Updated: 2026-06-03T20:19:36.089Z

cve-icon NVD

Status : Received

Published: 2026-06-03T18:16:22.223

Modified: 2026-06-03T22:16:34.623

Link: CVE-2026-36610

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T19:00:17Z

Weaknesses