CVE-2026-36615

MEDIUM

Mercusys AC12G (EU) V1 Firmware AC12G(EU)_V1_200909 - Unauthenticated Information Disclosure via Undocumented Endpoint

Title source: llm

Description

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 exposes an undocumented /agileconfigreset endpoint that returns internal buffer contents to unauthenticated attackers on the adjacent network.

References (1)

Core 1

Core References

https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36615.md

View Writeup ZIP pw:eip

Scores

CVSS v3 4.3

EPSS 0.0017

EPSS Percentile 6.1%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-200

Status published

Published Jun 03, 2026

Tracked Since Jun 03, 2026