CVE-2020-10883: (Pwn2Own) TP-Link Archer A7 File System Incorrect Permission Assignment for Critical Resource Privilege Escalation Vulnerability

Published Mar 25, 2020
·
Updated

This vulnerability allows local attackers to escalate privileges on affected installations of TP-Link Archer A7 AC1750 routers. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the file system. The issue lies in the lack of proper permissions set on the file system. An attacker can leverage this vulnerability to escalate privileges.

Other sources

This vulnerability allows local attackers to escalate privileges on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the file system. The issue lies in the lack of proper permissions set on the file system. An attacker can leverage this vulnerability to escalate privileges. Was ZDI-CAN-9651.

Affected Software

3 affected components
TP-Link Archer A7
TP-Link Ac1750 Firmware=190726
TP-Link AC1750

Event History

Mar 25, 2020
CVE Published
via MITRE·07:15 PM
Data Sourced
via MITRE·07:15 PM
DescriptionSeverityWeakness
Feb 23, 2026
Advisory Published
via ZDI·06:24 PM
Data Sourced
via ZDI·06:24 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2020-10883.

2

What is the severity of CVE-2020-10883?

The severity of CVE-2020-10883 is high with a score of 7.8.

3

What is the affected software of CVE-2020-10883?

The affected software of CVE-2020-10883 is TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers.

4

How can an attacker exploit CVE-2020-10883?

An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

5

Are there any known fixes for CVE-2020-10883?

Always keep your router firmware up to date to mitigate the risk of this vulnerability.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203