CVE-2026-51843

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 wanMTU 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
Title Stack Buffer Overflow in Tenda AC7 /goform/AdvSetMacMtuWan via wanMTU
Type Values Removed Values Added
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 WAN MTU Configuration Stack Buffer Overflow in Tenda AC7 /goform/AdvSetMacMtuWan via wanMTU
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 WAN MTU Configuration
Weaknesses CWE-121
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 wanMTU 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