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CVE-2025-11525— Tenda AC7 SetUpnpCfg stack-based overflow

Quick assessment

Affected
Tenda AC7
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda AC7是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC7 15.03.06.44版本存在安全漏洞，该漏洞源于对文件/goform/SetUpnpCfg中参数upnpEn的错误操作，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 1.03% · P63
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I. Basic Information for CVE-2025-11525

Vulnerability Information
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Vulnerability Title
Tenda AC7 SetUpnpCfg stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Tenda AC7 15.03.06.44. Impacted is an unknown function of the file /goform/SetUpnpCfg. Such manipulation of the argument upnpEn leads to stack-based buffer overflow. The attack can be launched 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
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC7 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC7是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC7 15.03.06.44版本存在安全漏洞，该漏洞源于对文件/goform/SetUpnpCfg中参数upnpEn的错误操作，可能导致栈缓冲区溢出。
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 AC7 15.03.06.44 cpe:2.3:o:tenda:ac7_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-11525

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 10688 chars
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Trigger conditions & impact
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III. Intelligence Information for CVE-2025-11525

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Same Patch Batch · Tenda · 2025-10-09 · 8 CVEs total

CVE-2025-11549 8.8 HIGH Tenda W12 HTTP Request modules wifiMacFilterSet stack-based overflow
CVE-2025-11528 8.8 HIGH Tenda AC7 saveAutoQos stack-based overflow
CVE-2025-11527 8.8 HIGH Tenda AC7 fast_setting_pppoe_set stack-based overflow
CVE-2025-11526 8.8 HIGH Tenda AC7 WifiMacFilterSet stack-based overflow
CVE-2025-11524 8.8 HIGH Tenda AC7 SetDDNSCfg stack-based overflow
CVE-2025-11550 6.5 MEDIUM Tenda W12 HTTP Request modules wifiScheduledSet null pointer dereference
CVE-2025-11523 6.3 MEDIUM Tenda AC7 AdvSetLanip command injection

IV. Related Vulnerabilities

Same product: AC7
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2025-11525

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