Vulnerability · Published Sep 5, 2026 · Assigned by VulDB
CVE-2026-86149Tenda CP3 NetCheckPing.cpp os command injection
Critical 9.1
In plain English
A critical-severity OS command injection 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 2.9% (higher than 87% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)2.9%top 12.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A weakness has been identified in Tenda CP3 27.5.57.101. This issue affects some unknown processing of the file Net/NetCheckPing.cpp. This manipulation of the argument interface_name/host causes os command injection. The attack can be initiated remotely.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · 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-399272 | Tenda CP3 NetCheckPing.cpp os command injection vdb-entry, technical-description
- VDB-399272 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-86149 | CVE Analysis and Report third-party-advisory
- Submit #895350 | Tenda CP3 V3.2 V27.5.57.101 OS Command Injection third-party-advisory
- https://www.tenda.com.cn/ product