CVE-2026-36618
Medium
Description
Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 responds to version.bind CHAOS TXT queries, disclosing the DNS resolver software version (unbound 1.22.0), aiding targeted attacks against known vulnerabilities.
SeverityMedium
CVSS4.3
Exploit probability—
ProductAC12G (EU) V1
PublishedJun 3, 2026
First seenJun 3, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Mercusys AC12G (EU) V1 | AC12G(EU)_V1_200909 | — |
| unbound | 1.22.0 | — |
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