Vulnerability · Published Sep 6, 2026 · Assigned by VulDB
CVE-2026-86153Tenda CP3 Redirect.cpp SetRedirectEnable privileges management
Critical 9.1
In plain English
A critical-severity privilege mismanagement in CP3 from Tenda. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.7%top 46.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
Weakness: CWE-269, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:R
References
- VDB-399276 | Tenda CP3 Redirect.cpp SetRedirectEnable privileges management vdb-entry, technical-description
- VDB-399276 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-86153 | CVE Analysis and Report third-party-advisory
- Submit #895354 | Tenda CP3 V3.2 V27.5.57.101 Improper Access Controls third-party-advisory
- https://www.tenda.com.cn/ product