CVE-2026-51844

Stack Buffer Overflow in Tenda AC7 Router 'AdvSetMacMtuWan' Interface

Published Jun 19, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the cloneType parameter.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
First Time appeared Tenda
Tenda ac7
Vendors & Products Tenda
Tenda ac7
Type Values Removed Values Added
Title Stack Buffer Overflow in Tenda AC7 Router 'AdvSetMacMtuWan' Interface
Type Values Removed Values Added
Title Stack Buffer Overflow in Tenda AC7 Router Firmware via cloneType Parameter
Weaknesses CWE-120
Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Stack Buffer Overflow in Tenda AC7 Router Firmware via cloneType Parameter
Weaknesses CWE-120
Type Values Removed Values Added
Description Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the cloneType parameter.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jun 22, 2026, 5:16 PM
Reserved
Jun 8, 2026, 12:00 AM
Status
Analyzed
Published
Jun 19, 2026, 5:16 PM
Modified
Jul 9, 2026, 4:29 PM