CVE-2025-9392
Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 qosClassifier stack-based overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 24, 2025
- Updated
- Aug 25, 2025
- Reserved
- Aug 23, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
RE6250Linksys |
|
RE6300Linksys |
|
RE6350Linksys |
|
RE6500Linksys |
|
RE7000Linksys |
|
RE9000Linksys |
|
References
- VDB-321225 | Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 qosClassifier stack-based overflowvdb-entrytechnical-description
- VDB-321225 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- 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 Overflowthird-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_32/32.mdrelated
- https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_32/32.md#pocexploit
- https://www.linksys.com/product
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