CVE-2026-86153: A vulnerability has been found in Tenda CP3 27.5.57.101
CVE-2026-86153 analysis covering impact, affected products, versions, remediation, and cross-checked defender guidance.
CVE-2026-86153 is a vulnerability published by NVD on 9/6/2026.
What happened
A vulnerability has been found in Tenda CP3 27.5.57.101. This affects the function CRedirServer::SetRedirectEnable of the file Functions/Redirect.cpp. The manipulation leads to improper privilege management. Remote exploitation of the attack is possible.
Affected products and versions
- NVD has not published a normalized affected-product configuration yet.
Severity and weakness
CVSS: CRITICAL 9.1. Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Weaknesses: CWE-266, CWE-269.
Known exploitation
No CISA KEV entry is currently attached to the NVD record.
What defenders should do
- Identify whether the affected product and version range exists in production.
- Review vendor advisories and release notes before change windows.
- Patch, upgrade, disable the vulnerable component, or apply vendor mitigations.
- Verify the running version after deployment, not only the package inventory.
Official and supporting references
- No vendor advisory tagged by NVD at draft time.