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.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.321225
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.321225
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.631537
Exploit, Third Party Advisory related
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_32/32.md
Exploit, Third Party Advisory exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_32/32.md#poc
Product product
https://www.linksys.com/
Scores
CVSS v3
8.8
EPSS
0.0024
EPSS Percentile
46.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-119
CWE-121
Status
published
Products (6)
linksys/re6250_firmware
1.0.04.001
linksys/re6300_firmware
1.2.07.001
linksys/re6350_firmware
1.0.04.001
linksys/re6500_firmware
1.0.013.001
linksys/re7000_firmware
1.1.05.003
linksys/re9000_firmware
1.0.04.002
Published
Aug 24, 2025
Tracked Since
Feb 18, 2026