CVE-2026-31267

MEDIUM

Mercusys MW302R <= 1.4.10 Build 231023 - Authenticated Denial of Service via Stack Buffer Overflow in Web Interface

Title source: llm

Description

Mercusys MW302R MW302R(EU)_V1_1.4.10 Build 231023 is vulnerable to Buffer Overflow in the administrative web interface. A stack buffer overflow vulnerability in the administrative web interface allows an authenticated attacker with administrative privileges to trigger a system crash by sending a specially crafted request. The vulnerability results in denial of service through control flow manipulation to an arbitrary instruction address.

References (2)

Core 2

Core References

https://barry-dev.xyz/about

https://gist.github.com/BarrYPL/13dcd071673866cbbfaaa05085b98cf3

Scores

CVSS v3 5.7

EPSS 0.0020

EPSS Percentile 10.5%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-121

Status published

Published Jul 09, 2026

Tracked Since Jul 10, 2026