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.
History

Sat, 01 Aug 2026 15:30:00 +0000

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Title Buffer Overflow in Mercusys MW302R Administrative Web Interface

Wed, 29 Jul 2026 13:15:00 +0000

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Title Stack Buffer Overflow in Mercusys MW302R Router Administration Interface Causing Denial of Service

Sun, 26 Jul 2026 16:30:00 +0000

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Title Stack Buffer Overflow in Mercusys MW302R Router Administration Interface Causing Denial of Service

Fri, 24 Jul 2026 09:00:00 +0000

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Title Buffer Overflow in Admin Web Interface Causes Denial of Service on Mercusys MW302R

Tue, 21 Jul 2026 02:00:00 +0000

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Title Buffer Overflow in Admin Web Interface Causes Denial of Service on Mercusys MW302R

Thu, 16 Jul 2026 21:00:00 +0000

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Title Buffer Overflow in Admin Web Interface of Mercusys MW302R Router Causes System Crash

Wed, 15 Jul 2026 05:30:00 +0000

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Title Buffer Overflow in Admin Web Interface of Mercusys MW302R Router Causes System Crash

Tue, 14 Jul 2026 05:00:00 +0000

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Title Buffer Overflow in Mercusys MW302R Router Enables Denial of Service

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

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Title Buffer Overflow in Mercusys MW302R Router Enables Denial of Service

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

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Title Stack Buffer Overflow in Mercusys MW302R Administrative Interface Enables Denial of Service

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

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Title Stack Buffer Overflow in Mercusys MW302R Administrative Interface Enables Denial of Service

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

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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

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

Status : Deferred

Published: 2026-07-09T21:16:54.667

Modified: 2026-07-10T18:50:20.507

Link: CVE-2026-31267

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-01T15:15:06Z