Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 is vulnerable to a HTTP denial of service via a low number of crafted incomplete HTTP requests, causing a persistent crash that requires physical power cycling to recover.

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Solution

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Workaround

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History

Wed, 03 Jun 2026 21:15:00 +0000

Type Values Removed Values Added
Title HTTP Denial of Service via Incomplete Requests on Mercusys AC12G Router

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

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

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


Wed, 03 Jun 2026 18:45:00 +0000

Type Values Removed Values Added
Title HTTP Denial of Service via Incomplete Requests on Mercusys AC12G Router
Weaknesses CWE-400

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

Type Values Removed Values Added
Description Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 is vulnerable to a HTTP denial of service via a low number of crafted incomplete HTTP requests, causing a persistent crash that requires physical power cycling to recover.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-06-03T18:35:11.458Z

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

Link: CVE-2026-36605

cve-icon Vulnrichment

Updated: 2026-06-03T18:35:07.876Z

cve-icon NVD

Status : Received

Published: 2026-06-03T18:16:21.550

Modified: 2026-06-03T19:16:27.383

Link: CVE-2026-36605

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T21:00:06Z

Weaknesses