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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-6752— Linksys WRT1900ACS/EA7200/EA7450/EA7500 IGD Layer3Forwarding SetDefaultConnectionService stack-based overflow

Quick assessment

Affected
Linksys WRT1900ACS
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.

Linksys WRT1900ACS等都是美国Linksys公司的产品。Linksys WRT1900ACS是一款无线路由器。Linksys EA7500是一款无线路由器。Linksys E-Series是一款路由器。 Linksys多款产品存在安全漏洞，该漏洞源于Layer3Forwarding组件中SetDefaultConnectionService函数对NewDefaultConnectionService参数操作不当，可能导致栈缓冲区溢出。以下产品和版本受到影响：WRT1900ACS、EA720

CVSS 8.8 · High EPSS 1.15% · P66
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-6752

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Linksys WRT1900ACS/EA7200/EA7450/EA7500 IGD Layer3Forwarding SetDefaultConnectionService stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Linksys WRT1900ACS, EA7200, EA7450 and EA7500 up to 20250619 and classified as critical. This vulnerability affects the function SetDefaultConnectionService of the file /upnp/control/Layer3Forwarding of the component IGD. The manipulation of the argument NewDefaultConnectionService leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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
Linksys多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linksys WRT1900ACS等都是美国Linksys公司的产品。Linksys WRT1900ACS是一款无线路由器。Linksys EA7500是一款无线路由器。Linksys E-Series是一款路由器。 Linksys多款产品存在安全漏洞，该漏洞源于Layer3Forwarding组件中SetDefaultConnectionService函数对NewDefaultConnectionService参数操作不当，可能导致栈缓冲区溢出。以下产品和版本受到影响：WRT1900ACS、EA720
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
Linksys WRT1900ACS 20250619 -
Linksys EA7200 20250619 -
Linksys EA7450 20250619 -
Linksys EA7500 20250619 -

II. Public POCs for CVE-2025-6752

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9590 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-2025-6752

请登录查看更多情报信息。

IV. Related Vulnerabilities

Same vendor: Linksys
Same weakness: CWE-121

V. Comments for CVE-2025-6752

No comments yet

Leave a comment