CVE-2021-27246: This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 AC1750 1.0.15 routers…

PriorityP353high8CVSS 3.1

AVAACLPRNUIRSUCHIHAH

EPSS

6.60%

93.0th percentile

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer A7 AC1750 1.0.15 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of MAC addresses by the tdpServer endpoint. A crafted TCP message can write stack pointers to the stack. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-12306.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
tp-link	ac1750	—	—
tp-link	ac1750_firmware	—	—

CVSS provenance

nvdv3.18.0HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv3.08.0HIGHCVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.07.9HIGHAV:A/AC:M/Au:N/C:C/I:C/A:C

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