Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 /goform/qosClassifier stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.09

Summaryinfo

A vulnerability identified as critical 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 vulnerability affects the function qosClassifier of the file /goform/qosClassifier. Performing a manipulation of the argument dir/sFromPort/sToPort/dFromPort/dToPort/protocol/layer7/dscp/remark_dscp results in stack-based overflow. This vulnerability is known as CVE-2025-9392. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability was 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. It has been classified as critical. This affects the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dir/sFromPort/sToPort/dFromPort/dToPort/protocol/layer7/dscp/remark_dscp with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-9392. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/23/2025 Advisory disclosed
08/23/2025 +0 days VulDB entry created
09/03/2025 +11 days VulDB entry last update

Sourcesinfo

Vendor: linksys.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-9392 (🔒)
GCVE (CVE): GCVE-0-2025-9392
GCVE (VulDB): GCVE-100-321225
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/23/2025 05:43 PM
Updated: 09/03/2025 04:39 AM
Changes: 08/23/2025 05:43 PM (57), 08/24/2025 08:58 PM (31), 09/03/2025 04:39 AM (1)
Complete: 🔍
Submitter: pjq123
Cache ID: 18:887:40

Submitinfo

Accepted

  • Submit #631537: Linksys RE6500、RE6250、RE6300、RE6350、RE7000、RE9000 RE6500(1.0.013.001) RE6250(1.0.04.001) RE6300(1.2.07.001) RE6350(1.0.04.001) RE7000(1.1.05.003) RE9000(1.0.04.002) Stack-based Buffer Overflow (by pjq123)

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