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CVE-2025-9392— Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 qosClassifier 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 RE6250等都是美国Linksys公司的一款无线扩展器。 Linksys多款产品存在安全漏洞，该漏洞源于对/goform/qosClassifier文件中参数dir/sFromPort/sToPort/dFromPort/dToPort/protocol/layer7/dscp/remark_dscp的错误操作导致栈缓冲区溢出。以下产品及版本受到影响：Linksys RE6250、RE6300、RE6350、RE6500、RE7000和RE9000 1.0.013.001、1.0.04.

CVSS 8.8 · High EPSS 4.70% · P92

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-9392

Vulnerability Information
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Vulnerability Title
Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 qosClassifier stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected 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. This affects the function qosClassifier of the file /goform/qosClassifier. Such manipulation of the argument dir/sFromPort/sToPort/dFromPort/dToPort/protocol/layer7/dscp/remark_dscp leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly 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 RE6250等都是美国Linksys公司的一款无线扩展器。 Linksys多款产品存在安全漏洞，该漏洞源于对/goform/qosClassifier文件中参数dir/sFromPort/sToPort/dFromPort/dToPort/protocol/layer7/dscp/remark_dscp的错误操作导致栈缓冲区溢出。以下产品及版本受到影响：Linksys RE6250、RE6300、RE6350、RE6500、RE7000和RE9000 1.0.013.001、1.0.04.
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-2025-9392

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9481 chars
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III. Intelligence Information for CVE-2025-9392

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IV. Related Vulnerabilities

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

V. Comments for CVE-2025-9392

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