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CVE-2025-9392

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

Published: Aug 24, 2025Updated: Sep 2, 2025 Sources: CVE List NVDCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
3.7%
Top 11.7%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-121

Affected Products

RE6250LinksysNetworking Infrastructure
RE6300LinksysNetworking Infrastructure
RE6350LinksysNetworking Infrastructure
RE6500LinksysNetworking Infrastructure
RE7000LinksysNetworking Infrastructure
linksyscommercialUSNetworking Infrastructureaka linksys by cisco
and 7 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://vuldb.com/?id.321225
vuldb.com
https://vuldb.com/?ctiid.321225
vuldb.com
https://vuldb.com/?submit.631537
vuldb.com
and 3 more references View all →

Timeline

Published
Aug 24, 2025
Last Updated
Sep 2, 2025

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