CVE-2020-10886

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the tmpServer service, which listens on TCP port 20002. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-9662.

References

Link	Tags
https://www.zerodayinitiative.com/advisories/ZDI-20-339/	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-10886?: CVE-2020-10886 has been scored as a critical severity vulnerability.
How to fix CVE-2020-10886?: To fix CVE-2020-10886, 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-2020-10886 being actively exploited in the wild?: It is possible that CVE-2020-10886 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~19% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10886?: CVE-2020-10886 affects TP-Link Archer A7.

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Description

Category

CWE-78 – Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

Frequently Asked Questions