CVE-2026-36616

MEDIUMNVD 5.9

5.9

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 contains hardcoded WiFi driver credentials including a RADIUS shared secret, WPS test key, and default PSK embedded in the production firmware binary.

CVSS v3: 5.9
EG Score: 0.0(none)
EPSS: 5.1%
KEV: Not listed

Published

June 3, 2026

Last Modified

June 4, 2026

References (1)

cve@mitrehttps://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36616.md

Vendor Advisories for CVE-2026-36616(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-4wqr-74mq-rfw2
GitHub Security AdvisoriesMedium
Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 contains hardcoded WiFi driver...

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 3× in last 7d / 3× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:10 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-03 17:37 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-36616?

CVE-2026-36616 is a medium vulnerability published on June 3, 2026. Mercusys AC12G (EU) V1 with firmware AC12G(EU)V1200909 contains hardcoded WiFi driver credentials including a RADIUS shared secret, WPS test key, and default PSK embedded in the production firmware binary.

When was CVE-2026-36616 disclosed?

CVE-2026-36616 was first published in the National Vulnerability Database on June 3, 2026, with the most recent update on June 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-36616 actively exploited?

CVE-2026-36616 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-36616?

CVE-2026-36616 has a CVSS v3 base score of 5.9 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2026-36616?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36616, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-36616

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-36616(1)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)