Is CVE-2020-10886 actively exploited?

No active exploitation of CVE-2020-10886 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-10886 be exploited remotely?

Yes. CVE-2020-10886 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-10886?

CVE-2020-10886 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-10886

CRITICAL

CVE-2020-10886

CWE-78Published: March 25, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-10886 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.