CVE-2026-36613

MEDIUM EPSS 5.4%

Published Jun 3, 20264w ago · Modified Jun 17, 20262w ago

4.3 CVSS 3.1

Medium

Published Jun 3, 2026 4w ago

Last Modified Jun 17, 2026 2w ago

Description

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 returns 128 bytes of uninitialized internal buffer contents when receiving HTTP POST requests to undefined paths, exposing server state to unauthenticated adjacent network attackers.

CVSS Details

Base Score

4.3

Exploitability

2.8

Impact

1.4

Vector string

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector Adjacent

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality Low

Integrity None

Availability None

Threat Intelligence

EPSS Exploit Probability

5.4% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

References 1

github.com https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36613.md

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.