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CVE-2026-5153— Tenda CH22 WriteFacMac FormWriteFacMac command injection

Quick assessment

Affected
Tenda CH22
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda CH22是中国腾达（Tenda）公司的一款网络设备。 Tenda CH22 1.0.0.1版本存在命令注入漏洞，该漏洞源于对文件/goform/WriteFacMac中函数FormWriteFacMac的参数mac的错误操作，可能导致命令注入。

CVSS 6.3 · Medium EPSS 6.47% · P94

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-5153

Vulnerability Information
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Vulnerability Title
Tenda CH22 WriteFacMac FormWriteFacMac command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in Tenda CH22 1.0.0.1. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. Executing a manipulation of the argument mac can lead to command injection. The attack may be launched remotely. The exploit has been published and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda CH22 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda CH22是中国腾达（Tenda）公司的一款网络设备。 Tenda CH22 1.0.0.1版本存在命令注入漏洞，该漏洞源于对文件/goform/WriteFacMac中函数FormWriteFacMac的参数mac的错误操作，可能导致命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tenda CH22 1.0.0.1 cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-5153

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III. Intelligence Information for CVE-2026-5153

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Vendor Advisories for CVE-2026-5153 (1)

Other References for CVE-2026-5153 (1)

Same Patch Batch · Tenda · 2026-03-30 · 5 CVEs total

CVE-2026-5152 8.8 HIGH Tenda CH22 createFileName formCreateFileName stack-based overflow
CVE-2026-5154 8.8 HIGH Tenda CH22 Parameter setcfm fromSetCfm stack-based overflow
CVE-2026-5155 8.8 HIGH Tenda CH22 Parameter AdvSetWan fromAdvSetWan stack-based overflow
CVE-2026-5156 8.8 HIGH Tenda CH22 Parameter QuickIndex formQuickIndex stack-based overflow

IV. Related Vulnerabilities

Same product: CH22
Same vendor: Tenda
Same weakness: CWE-77

V. Comments for CVE-2026-5153

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