CVEvulnerability

CVE-2021-27246

8.0 HIGH Published 2021-04-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-04-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.0 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.0 ([email protected])
8.0 HIGH — CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.9 HIGH — AV:A/AC:M/Au:N/C:C/I:C/A:C
Weaknesses
CWE-121

Description

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 configurations

• tp-link ac1750 firmware 1.0.15

Related

Weakness · CWE (1)

  • CWE-121 Stack-based Buffer Overflow weakness

References