CVE-2026-86300

Tenda AC9 Web Management R7WebsSecurityHandler improper authentication

State: Published
Severity: 6.9 Medium
Published: Sep 7, 2026
Updated: Sep 8, 2026
Reserved: Sep 6, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	VulDB
3.1	7.3 High	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	VulDB
3.0	7.3 High	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	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
AC9Tenda	15.03.05.14Affected

References

VDB-399464 | Tenda AC9 Web Management R7WebsSecurityHandler improper authenticationvdb-entrytechnical-description
VDB-399464 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-86300 | CVE Analysis and Reportthird-party-advisory
Submit #906606 | Tenda AC9 V15.03.05.14 Information Disclosurethird-party-advisory
Submit #906607 | Tenda AC9 V15.03.05.14_multi / V15.03.05.16_multi Improper Access Controls (Duplicate)third-party-advisory
Submit #906608 | Tenda AC9 V15.03.05.14_multi / V15.03.05.16_multi Improper Access Controls (Duplicate)third-party-advisory
https://github.com/limou89/somevul/blob/main/Tenda_AC9_getProduct_Info_Disclosure.mdrelated
https://github.com/limou89/somevul/blob/main/Tenda_AC9_fast_setting_wifi_set_Unauth_Password.mdexploit
https://www.tenda.com.cn/product

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