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Cisco
Catalyst 6840-x Firmware
Cisco Catalyst 6840-x Firmware vulnerabilities
cisco
catalyst 6503-e firmware
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catalyst 6504-e firmware
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catalyst 6506-e firmware
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L2 network filtering can be bypassed using stacked VLAN0 and LLC/SNAP headers
CVE-2021-27853
4.7
Medium
September 27, 2022
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