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CVE-2026-5526— Tenda 4G03 Pro httpd access control

Quick assessment

Affected
Tenda 4G03 Pro
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 4G03 Pro是中国腾达（Tenda）公司的一款无线路由器。 Tenda 4G03 Pro 1.0版本、1.1版本、04.03.01.53版本和192.168.0.1版本存在访问控制错误漏洞，该漏洞源于文件/bin/httpd存在访问控制不当。

CVSS 7.3 · High EPSS 0.65% · P49

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-5526

Vulnerability Information
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Vulnerability Title
Tenda 4G03 Pro httpd access control
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda 4G03 Pro 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda 4G03 Pro是中国腾达（Tenda）公司的一款无线路由器。 Tenda 4G03 Pro 1.0版本、1.1版本、04.03.01.53版本和192.168.0.1版本存在访问控制错误漏洞，该漏洞源于文件/bin/httpd存在访问控制不当。
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 4G03 Pro 1.0 -

II. Public POCs for CVE-2026-5526

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III. Intelligence Information for CVE-2026-5526

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Vendor Advisories for CVE-2026-5526 (1)

IV. Related Vulnerabilities

Same product: 4G03 Pro
Same vendor: Tenda
Same weakness: CWE-284

V. Comments for CVE-2026-5526

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