CVE-2026-86300

Tenda AC9 Web Management R7WebsSecurityHandler improper authentication

Published Sep 7, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
A flaw has been found in Tenda AC9 15.03.05.14. This impacts the function R7WebsSecurityHandler of the component Web Management. This manipulation causes improper authentication. The attack may be initiated remotely. The exploit has been published and may be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Tenda ac9
Vendors & Products Tenda ac9
Type Values Removed Values Added
Description A flaw has been found in Tenda AC9 15.03.05.14. This impacts the function R7WebsSecurityHandler of the component Web Management. This manipulation causes improper authentication. The attack may be initiated remotely. The exploit has been published and may be used.
Title Tenda AC9 Web Management R7WebsSecurityHandler improper authentication
First Time appeared Tenda
Tenda ac9 Firmware
Weaknesses CWE-287
CPEs cpe:2.3:o:tenda:ac9_firmware:*:*:*:*:*:*:*:*
Vendors & Products Tenda
Tenda ac9 Firmware
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 8, 2026, 3:03 PM
Reserved
Sep 6, 2026, 4:33 PM
Status
Deferred
Published
Sep 7, 2026, 12:17 PM
Modified
Sep 8, 2026, 4:18 PM