CVE-2019-13268

N/A

Published: August 27, 2019 at 05:05 PM UTC

Updated: June 17, 2026 at 02:16 AM UTC

4 products affected across 1 vendorArcher C2 V1 FirmwareArcher C3200 V1 FirmwareArcher C2 V1

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Severity

N/A

Exploit prediction

EPSS 0.9%

Description

TP-Link Archer C3200 V1 and Archer C2 V1 devices have Insufficient Compartmentalization between a host network and a guest network that are established by the same device. They forward ARP requests, which are sent as broadcast packets, between the host and the guest networks. To use this leakage as a direct covert channel, the sender can trivially issue an ARP request to an arbitrary computer on the network. (In general, some routers restrict ARP forwarding only to requests destined for the network's subnet mask, but these routers did not restrict this traffic in any way. Depending on this factor, one must use either the lower 8 bits of the IP address, or the entire 32 bits, as the data payload.)