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CVE-2021-27246

nvd nist
Published: Apr 14, 2021Modified: Jun 17, 2026

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8.0
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.1 / Impact: 5.9
Source: NVD

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 (1)

Tp Link
1 product
Ac1750 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Ac1750 Firmware
Version 1.0.15
Running on/withPlatform Versions
Tp Link
Ac1750
Version a7

Related CWEs

CWE-121
Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References (2)

Source: zdi-disclosures@trendmicro.com
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry

Timeline

No history available yet.