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CVE-2026-5547— Tenda AC10 httpd formAddMacfilterRule os command injection

Quick assessment

Affected
Tenda AC10
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 AC10是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC10 16.03.10.10_multi_TDE01版本存在操作系统命令注入漏洞，该漏洞源于文件/bin/httpd中formAddMacfilterRule函数存在OS命令注入。

CVSS 6.3 · Medium EPSS 4.14% · P91
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I. Basic Information for CVE-2026-5547

Vulnerability Information
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Vulnerability Title
Tenda AC10 httpd formAddMacfilterRule os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Tenda AC10 16.03.10.10_multi_TDE01. Affected is the function formAddMacfilterRule of the file /bin/httpd. Such manipulation leads to os command injection. It is possible to launch the attack remotely. Multiple endpoints might be affected.
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
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
Vulnerability Title
Tenda AC10 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC10是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC10 16.03.10.10_multi_TDE01版本存在操作系统命令注入漏洞，该漏洞源于文件/bin/httpd中formAddMacfilterRule函数存在OS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 AC10 16.03.10.10_multi_TDE01 cpe:2.3:o:tenda:ac10_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-5547

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III. Intelligence Information for CVE-2026-5547

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Other References for CVE-2026-5547 (1)

Same Patch Batch · Tenda · 2026-04-05 · 7 CVEs total

CVE-2026-5548 8.8 HIGH Tenda AC10 httpd fromSysToolChangePwd stack-based overflow
CVE-2026-5550 8.8 HIGH Tenda AC10 httpd fromSysToolChangePwd stack-based overflow
CVE-2026-5567 8.8 HIGH Tenda M3 Destination setAdvPolicyData buffer overflow
CVE-2026-5604 8.8 HIGH Tenda CH22 Parameter CertLocalPrecreate formCertLocalPrecreate stack-based overflow
CVE-2026-5605 8.8 HIGH Tenda CH22 WrlExtraSet formWrlExtraSet stack-based overflow
CVE-2026-5549 5.3 MEDIUM Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key

IV. Related Vulnerabilities

Same product: AC10
Same vendor: Tenda
Same weakness: CWE-78

V. Comments for CVE-2026-5547

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