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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-14993— Tenda AC18 HTTP Request SetDlnaCfg sprintf stack-based overflow

Quick assessment

Affected
Tenda AC18
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 AC18是中国腾达（Tenda）公司的一款路由器。 Tenda AC18 15.03.05.05版本存在安全漏洞，该漏洞源于组件HTTP Request Handler中文件/goform/SetDlnaCfg的sprintf函数对参数scanList处理不当，可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 0.78% · P54
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-14993

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 AC18 HTTP Request SetDlnaCfg sprintf stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Tenda AC18 15.03.05.05. This affects the function sprintf of the file /goform/SetDlnaCfg of the component HTTP Request Handler. The manipulation of the argument scanList results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now 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 AC18 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC18是中国腾达（Tenda）公司的一款路由器。 Tenda AC18 15.03.05.05版本存在安全漏洞，该漏洞源于组件HTTP Request Handler中文件/goform/SetDlnaCfg的sprintf函数对参数scanList处理不当，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 AC18 15.03.05.05 cpe:2.3:o:tenda:ac18_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-14993

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8671 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-2025-14993

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-14993 (3)

Proof of Concept for CVE-2025-14993 (2)

Same Patch Batch · Tenda · 2025-12-21 · 4 CVEs total

CVE-2025-14995 8.8 HIGH Tenda FH1201 SetIpBind sprintf stack-based overflow
CVE-2025-14994 8.8 HIGH Tenda FH1201/FH1206 HTTP Request webtypelibrary strcat stack-based overflow
CVE-2025-14992 8.8 HIGH Tenda AC18 HTTP Request GetParentControlInfo strcpy stack-based overflow

IV. Related Vulnerabilities

Same product: AC18
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2025-14993

No comments yet

Leave a comment