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CVE-2025-30256

Quick assessment

Affected
Tenda AC6 V5.0
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 AC6是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC6 V5.0 V02.03.01.110版本存在安全漏洞，该漏洞源于HTTP标头解析功能存在问题，可能导致拒绝服务攻击。

CVSS 8.6 · High EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-30256

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network packets to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对已超过有效生命周期的资源丧失索引
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC6 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC6是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC6 V5.0 V02.03.01.110版本存在安全漏洞，该漏洞源于HTTP标头解析功能存在问题，可能导致拒绝服务攻击。
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 AC6 V5.0 V02.03.01.110 -

II. Public POCs for CVE-2025-30256

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III. Intelligence Information for CVE-2025-30256

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Same Patch Batch · Tenda · 2025-08-20 · 6 CVEs total

CVE-2025-27129 9.8 CRITICAL Tenda AC6 安全漏洞
CVE-2025-32010 8.1 HIGH Tenda AC6 安全漏洞
CVE-2025-24322 8.1 HIGH Tenda AC6 安全漏洞
CVE-2025-24496 7.5 HIGH Tenda AC6 安全漏洞
CVE-2025-31355 7.2 HIGH Tenda AC6 安全漏洞

IV. Related Vulnerabilities

Same product: AC6 V5.0
Same vendor: Tenda
Same weakness: CWE-772

V. Comments for CVE-2025-30256

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