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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No CVSS v3.1

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This CVE is not in the KEV list.

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Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

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Advisories

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Fixes

Solution

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Workaround

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References
Link Providers
https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36605.md cve-icon cve-icon
History

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.
References

Projects

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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

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-36605

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T18:30:36Z

Weaknesses