CVE-2021-27246

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.

Category

8.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 8.03% Top 10%
Third-Party Advisory zerodayinitiative.com
Affected: TP-Link AC1750
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-215/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27246?
CVE-2021-27246 has been scored as a high severity vulnerability.
How to fix CVE-2021-27246?
To fix CVE-2021-27246, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27246 being actively exploited in the wild?
It is possible that CVE-2021-27246 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27246?
CVE-2021-27246 affects TP-Link AC1750.
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