CVE-2021-27246 - This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installat

CVE-2021-27246

Summary

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.

References

https://www.zerodayinitiative.com/advisories/ZDI-21-215/

Vulnerable Configurations

cpe:2.3:o:tp-link:ac1750_firmware:1.0.15:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:ac1750_firmware:1.0.15:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:ac1750:a7:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:ac1750:a7:*:*:*:*:*:*:*

CVSS

Base:	7.9 (as of 22-04-2021 - 17:45)
Impact:
Exploitability:

CWE

CWE-121

CAPEC

Access

Vector	Complexity	Authentication
ADJACENT_NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
COMPLETE	COMPLETE	COMPLETE

cvss-vector via4

AV:A/AC:M/Au:N/C:C/I:C/A:C

Last major update

22-04-2021 - 17:45

Published

14-04-2021 - 16:15

Last modified

22-04-2021 - 17:45