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CVE-2026-5549— Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key

Quick assessment

Affected
Tenda AC10
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.

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版本存在安全漏洞，该漏洞源于组件RSA 2048-bit Private Key Handler的文件/webroot_ro/pem/privkeySrv.pem存在硬编码加密密钥。

CVSS 5.3 · Medium EPSS 0.71% · P52
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I. Basic Information for CVE-2026-5549

Vulnerability Information
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Vulnerability Title
Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this issue is some unknown functionality of the file /webroot_ro/pem/privkeySrv.pem of the component RSA 2048-bit Private Key Handler. Executing a manipulation can lead to use of hard-coded cryptographic key . The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC10 安全漏洞
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版本存在安全漏洞，该漏洞源于组件RSA 2048-bit Private Key Handler的文件/webroot_ro/pem/privkeySrv.pem存在硬编码加密密钥。
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-2026-5549

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III. Intelligence Information for CVE-2026-5549

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Proof of Concept for CVE-2026-5549 (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-2026-5547 6.3 MEDIUM Tenda AC10 httpd formAddMacfilterRule os command injection

IV. Related Vulnerabilities

Same product: AC10
Same vendor: Tenda
Same weakness: CWE-321

V. Comments for CVE-2026-5549

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