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CVE-2025-4368— Tenda AC8 MtuSetMacWan formGetRouterStatus buffer overflow

Quick assessment

Affected
Tenda AC8
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 AC8是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC8 16.03.34.06版本存在安全漏洞，该漏洞源于对文件/goform/MtuSetMacWan中参数shareSpeed的错误操作导致缓冲区溢出。

CVSS 8.8 · High EPSS 0.83% · P54
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I. Basic Information for CVE-2025-4368

Vulnerability Information
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Vulnerability Title
Tenda AC8 MtuSetMacWan formGetRouterStatus buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in Tenda AC8 16.03.34.06. Affected is the function formGetRouterStatus of the file /goform/MtuSetMacWan. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC8 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC8是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC8 16.03.34.06版本存在安全漏洞，该漏洞源于对文件/goform/MtuSetMacWan中参数shareSpeed的错误操作导致缓冲区溢出。
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 AC8 16.03.34.06 -

II. Public POCs for CVE-2025-4368

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III. Intelligence Information for CVE-2025-4368

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Same Patch Batch · Tenda · 2025-05-06 · 6 CVEs total

CVE-2025-4356 8.8 HIGH Tenda DAP-1520 Authentication storage mod_graph_auth_uri_handler stack-based overflow
CVE-2025-4355 8.8 HIGH Tenda DAP-1520 api set_ws_action heap-based overflow
CVE-2025-4354 8.8 HIGH Tenda DAP-1520 storage check_dws_cookie stack-based overflow
CVE-2025-4299 8.8 HIGH Tenda AC1206 openSchedWifi setSchedWifi buffer overflow
CVE-2025-4357 4.7 MEDIUM Tenda RX3 telnet command injection

IV. Related Vulnerabilities

Same product: AC8
Same vendor: Tenda
Same weakness: CWE-120

V. Comments for CVE-2025-4368

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