CVE-2026-86300CWE-287

CVE-2026-86300

High · published September 7, 2026

CVSS v3.1
7.3
EPSS
1%
Percentile
57.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
6.9 · 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
EPSS
0.00843 · 57.6th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-09-07T16:17Z
References (10)
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 07 SEP 11:30Z
    Tenda AC9 Web Management R7WebsSecurityHandler improper authentication
    cvelistv5