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CVE-2025-4355— Tenda DAP-1520 api set_ws_action heap-based overflow

Quick assessment

Affected
Tenda DAP-1520
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 DAP-1520是中国腾达（Tenda）公司的一款双频无线接入点。 Tenda DAP-1520 1.10B04_BETA02版本存在安全漏洞，该漏洞源于对文件/dws/api中函数set_ws_action的错误操作导致堆缓冲区溢出。

CVSS 8.8 · High EPSS 1.13% · P64

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-4355

Vulnerability Information
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Vulnerability Title
Tenda DAP-1520 api set_ws_action heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been classified as critical. This affects the function set_ws_action of the file /dws/api/. The manipulation leads to heap-based 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
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda DAP-1520 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda DAP-1520是中国腾达（Tenda）公司的一款双频无线接入点。 Tenda DAP-1520 1.10B04_BETA02版本存在安全漏洞，该漏洞源于对文件/dws/api中函数set_ws_action的错误操作导致堆缓冲区溢出。
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 DAP-1520 1.10B04_BETA02 -

II. Public POCs for CVE-2025-4355

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 122669 chars
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III. Intelligence Information for CVE-2025-4355

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Proof of Concept for CVE-2025-4355 (1)

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

CVE-2025-4368 8.8 HIGH Tenda AC8 MtuSetMacWan formGetRouterStatus buffer overflow
CVE-2025-4356 8.8 HIGH Tenda DAP-1520 Authentication storage mod_graph_auth_uri_handler stack-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: DAP-1520
Same vendor: Tenda
Same weakness: CWE-122

V. Comments for CVE-2025-4355

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