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CVE-2026-86151— Tenda CP3 Network Configuration Management system.c sub_2F77E8 os command injection

Quick assessment

Affected
Tenda CP3
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Tenda CP3 27.5.57.101 中检测到一个漏洞。受影响的是组件“网络配置管理”中 文件里的 函数。通过执行特定操作会导致操作系统命令注入。该攻击可远程发起。

CVSS 9.1 · Critical
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I. Basic Information for CVE-2026-86151

Vulnerability Information
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Vulnerability Title
Tenda CP3 Network Configuration Management system.c sub_2F77E8 os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be initiated remotely.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda CP3 27.5.57.101 cpe:2.3:o:tenda:cp3_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86151

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III. Intelligence Information for CVE-2026-86151

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Other References for CVE-2026-86151 (3)

Same Patch Batch · Tenda · 2026-09-05 · 4 CVEs total

CVE-2026-86149 9.1 CRITICAL Tenda CP3 NetCheckPing.cpp os command injection
CVE-2026-86148 9.1 CRITICAL Tenda CP3 Kylin system.c SystemAsh os command injection
CVE-2026-86150 4.1 MEDIUM Tenda CP3 hostapd hard-coded credentials

IV. Related Vulnerabilities

Same product: CP3
Same vendor: Tenda
Same weakness: CWE-78

V. Comments for CVE-2026-86151

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