CVE-2020-10916

Name: CVE-2020-10916
Creator: NVD / NIST
Published: 2020-05-07T23:15:11.577+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2020-10916 is a high-severity vulnerability rated 8/10 on the CVSS scale. This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361] Wi-Fi extenders. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE Firmware Ver: 855rev4-up-ver1-0-1-P1[20191213-rel60361] Wi-Fi extenders. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the first-time setup process. The issue results from the lack of proper validation on first-time setup requests. An attacker can leverage this vulnerability to reset the password for the Admin account and execute code in the context of the device. Was ZDI-CAN-10003.

Metrics

CVSS 3.1

8/10

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tp-Link	Tl-Wa855re Firmware	190408
Tp-Link	Tl-Wa855re Firmware	191213

References

https://www.zerodayinitiative.com/advisories/ZDI-20-553/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-553/Third Party Advisory, VDB Entry

Timeline

Published: May 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10916?

How severe is CVE-2020-10916?

CVE-2020-10916 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10916?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10916?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST