Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-4356— Tenda DAP-1520 Authentication storage mod_graph_auth_uri_handler stack-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/storage中函数mod_graph_auth_uri_handler的错误操作导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 1.44% · P71

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-4356

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Tenda DAP-1520 Authentication storage mod_graph_auth_uri_handler stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been declared as critical. This vulnerability affects the function mod_graph_auth_uri_handler of the file /storage of the component Authentication Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated 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 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/storage中函数mod_graph_auth_uri_handler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 DAP-1520 1.10B04_BETA02 -

II. Public POCs for CVE-2025-4356

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6734 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2025-4356

请登录查看更多情报信息。

Other References for CVE-2025-4356 (1)

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

CVE-2025-4368 8.8 HIGH Tenda AC8 MtuSetMacWan formGetRouterStatus buffer overflow
CVE-2025-4355 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: DAP-1520
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2025-4356

No comments yet

Leave a comment