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.
Published: 2026-07-09
Score: 5.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 13 Jul 2026 08:15:00 +0000

Type Values Removed Values Added
Title Buffer Overflow in Mercusys MW302R Router Enables Denial of Service

Sun, 12 Jul 2026 13:45:00 +0000

Type Values Removed Values Added
Title Stack Buffer Overflow in Mercusys MW302R Administrative Interface Enables Denial of Service

Sat, 11 Jul 2026 13:15:00 +0000

Type Values Removed Values Added
Title Stack Buffer Overflow in Mercusys MW302R Administrative Interface Enables Denial of Service

Fri, 10 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 10 Jul 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Mercusys
Mercusys mw302r
Vendors & Products Mercusys
Mercusys mw302r

Thu, 09 Jul 2026 21:15:00 +0000

Type Values Removed Values Added
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

Subscriptions

Mercusys Mw302r
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-07-10T15:31:02.333Z

Reserved: 2026-03-09T00:00:00.000Z

Link: CVE-2026-31267

cve-icon Vulnrichment

Updated: 2026-07-10T15:30:54.388Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-13T08:00:13Z

Weaknesses