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CVE-2025-5795— Tenda AC5 AdvSetLanip fromadvsetlanip buffer overflow

Quick assessment

Affected
Tenda AC5
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 AC5是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC5 1.0版本和15.03.06.47版本存在安全漏洞，该漏洞源于对文件/goform/AdvSetLanip中参数lanMask的错误操作导致缓冲区溢出。

CVSS 8.8 · High EPSS 0.82% · P55
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I. Basic Information for CVE-2025-5795

Vulnerability Information
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Vulnerability Title
Tenda AC5 AdvSetLanip fromadvsetlanip buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in Tenda AC5 1.0/15.03.06.47. This affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow. It is possible to initiate 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 AC5 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC5是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC5 1.0版本和15.03.06.47版本存在安全漏洞，该漏洞源于对文件/goform/AdvSetLanip中参数lanMask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 AC5 1.0 -

II. Public POCs for CVE-2025-5795

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III. Intelligence Information for CVE-2025-5795

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Security Blog Posts for CVE-2025-5795 (1)

Same Patch Batch · Tenda · 2025-06-06 · 5 CVEs total

CVE-2025-5799 8.8 HIGH Tenda AC8 WifiExtraSet fromSetWirelessRepeat stack-based overflow
CVE-2025-5798 8.8 HIGH Tenda AC8 SetSysTimeCfg fromSetSysTime stack-based overflow
CVE-2025-5794 8.8 HIGH Tenda AC5 setPptpUserList formSetPPTPUserList buffer overflow
CVE-2025-5763 4.7 MEDIUM Tenda CP3 apollo sub_F3C8C command injection

IV. Related Vulnerabilities

Same product: AC5
Same vendor: Tenda
Same weakness: CWE-120

V. Comments for CVE-2025-5795

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