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Vulnerability record · public intelligence
CVE-2026-86300
HIGH

Tenda AC9 Web Management R7WebsSecurityHandler improper authentication

Published Sep 7, 2026 · Updated Nov 3, 2026

Severity · CVSSHIGH · Not scored
Known exploitationNot listed
EPSS / likelihood0.84%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

Tenda AC9 Web Management R7WebsSecurityHandler improper authentication

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
MEDIUM
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-399464 | Tenda AC9 Web Management R7WebsSecurityHandler improper authentication ↗
  2. VDB-399464 | CTI Indicators (IOB, IOC, IOA) ↗
  3. CVE-2026-86300 | CVE Analysis and Report ↗
  4. Submit #906606 | Tenda AC9 V15.03.05.14 Information Disclosure ↗
  5. Submit #906607 | Tenda AC9 V15.03.05.14_multi / V15.03.05.16_multi Improper Access Controls (Duplicate) ↗
  6. Submit #906608 | Tenda AC9 V15.03.05.14_multi / V15.03.05.16_multi Improper Access Controls (Duplicate) ↗
  7. Source repository ↗
  8. Source repository ↗
  9. www.tenda.com.cn ↗

Record history

Published Sep 7, 2026 · Last refreshed Nov 3, 2026

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