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CVE-2025-8958— Tenda TX3 fast_setting_wifi_set stack-based overflow

Quick assessment

Affected
Tenda TX3
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 TX3是中国腾达（Tenda）公司的一款无线路由器。 Tenda TX3 16.03.13.11_multi_TDE01版本存在安全漏洞，该漏洞源于文件/goform/fast_setting_wifi_set中参数ssid的错误操作导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 0.77% · P54
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I. Basic Information for CVE-2025-8958

Vulnerability Information
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Vulnerability Title
Tenda TX3 fast_setting_wifi_set stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in Tenda TX3 16.03.13.11_multi_TDE01. Affected by this vulnerability is an unknown functionality of the file /goform/fast_setting_wifi_set. The manipulation of the argument ssid 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 TX3 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda TX3是中国腾达（Tenda）公司的一款无线路由器。 Tenda TX3 16.03.13.11_multi_TDE01版本存在安全漏洞，该漏洞源于文件/goform/fast_setting_wifi_set中参数ssid的错误操作导致栈缓冲区溢出。
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 TX3 16.03.13.11_multi_TDE01 -

II. Public POCs for CVE-2025-8958

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9425 chars
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III. Intelligence Information for CVE-2025-8958

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Proof of Concept for CVE-2025-8958 (1)

Same Patch Batch · Tenda · 2025-08-14 · 5 CVEs total

CVE-2025-8940 8.8 HIGH Tenda AC20 saveParentControlInfo strcpy buffer overflow
CVE-2025-8939 8.8 HIGH Tenda AC20 WifiGuestSet buffer overflow
CVE-2025-8980 6.6 MEDIUM Tenda G1 Firmware Update check_upload_file data authenticity
CVE-2025-8979 6.6 MEDIUM Tenda AC15 Firmware Update check_fw data authenticity

IV. Related Vulnerabilities

Same product: TX3
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2025-8958

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