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CVE-2025-31355

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，该漏洞源于固件签名验证功能存在问题，可能导致任意代码执行。

CVSS 7.2 · High EPSS 0.30% · P21
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I. Basic Information for CVE-2025-31355

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
下载代码缺少完整性检查
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，该漏洞源于固件签名验证功能存在问题，可能导致任意代码执行。
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-2025-31355

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III. Intelligence Information for CVE-2025-31355

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Vendor Advisories for CVE-2025-31355 (1)

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

CVE-2025-27129 9.8 CRITICAL Tenda AC6 安全漏洞
CVE-2025-30256 8.6 HIGH 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

IV. Related Vulnerabilities

Same product: AC6 V5.0
Same vendor: Tenda
Same weakness: CWE-494

V. Comments for CVE-2025-31355

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