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CVE-2025-9246— Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 check_port_conflict stack-based overflow

Quick assessment

Affected
Linksys RE6250
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 RE6300等都是美国Linksys公司的产品。Linksys RE6300是一款无线网络信号扩展器。Linksys RE6250是一款无线扩展器。Linksys RE6350是一款无线扩展器。 Linksys多款产品存在安全漏洞，该漏洞源于对文件/goform/check_port_conflict中参数single_port_rule/port_range_rule的错误操作导致栈缓冲区溢出。以下产品受到影响：RE6250、RE6300、RE6350、RE6500、RE7000和RE9

CVSS 8.8 · High EPSS 0.94% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-9246

Vulnerability Information
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Vulnerability Title
Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 check_port_conflict stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. Impacted is the function check_port_conflict of the file /goform/check_port_conflict. Executing manipulation of the argument single_port_rule/port_range_rule can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published 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 RE6300等都是美国Linksys公司的产品。Linksys RE6300是一款无线网络信号扩展器。Linksys RE6250是一款无线扩展器。Linksys RE6350是一款无线扩展器。 Linksys多款产品存在安全漏洞，该漏洞源于对文件/goform/check_port_conflict中参数single_port_rule/port_range_rule的错误操作导致栈缓冲区溢出。以下产品受到影响：RE6250、RE6300、RE6350、RE6500、RE7000和RE9
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 RE6250 1.0.013.001 -
Linksys RE6300 1.0.013.001 -
Linksys RE6350 1.0.013.001 -
Linksys RE6500 1.0.013.001 -
Linksys RE7000 1.0.013.001 -
Linksys RE9000 1.0.013.001 -

II. Public POCs for CVE-2025-9246

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 5310 chars
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POC zip download
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III. Intelligence Information for CVE-2025-9246

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Other References for CVE-2025-9246 (1)

Same Patch Batch · Linksys · 2025-08-20 · 10 CVEs total

CVE-2025-9253 8.8 HIGH Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 RP_doSpecifySiteSurvey stack-based overf
CVE-2025-9245 8.8 HIGH Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 WPSSTAPINEnr stack-based overflow
CVE-2025-9248 8.8 HIGH Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 RP_pingGatewayByBBS stack-based overflow
CVE-2025-9252 8.8 HIGH Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 DisablePasswordAlertRedirect stack-based
CVE-2025-9250 8.8 HIGH Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setPWDbyBBS stack-based overflow
CVE-2025-9251 8.8 HIGH Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 sta_wps_pin stack-based overflow
CVE-2025-9249 8.8 HIGH Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 DHCPReserveAddGroup stack-based overflow
CVE-2025-9247 8.8 HIGH Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setVlan stack-based overflow
CVE-2025-9244 6.3 MEDIUM Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 addStaticRoute os command injection

IV. Related Vulnerabilities

Same product: RE6250
Same vendor: Linksys
Same weakness: CWE-121

V. Comments for CVE-2025-9246

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