CVE-2020-10916: TP-Link TL-WA855RE login.json Improper Authentication Privilege Escalation Vulnerability

First published: Thu May 07 2020(Updated: )

This vulnerability allows network-adjacent attackers to escalate privileges on affected installations of TP-Link TL-WA855RE 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.

Credit: zdi-disclosures@trendmicro.com

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• collector/zdi-advisory
• alias/ZDI-20-553
• alias/ZDI-CAN-10003
• alias/CVE-2020-10916
• collector/nvd-index
• agent/severity
• agent/references
• agent/author
• agent/title
• agent/weakness
• agent/tags
• agent/event
• agent/type
• agent/description
• agent/last-modified-date
• agent/softwarecombine
• agent/first-publish-date
• vendor/tp-link
• canonical/tp-link tl-wa855re
• canonical/tp-link tl-wa855re firmware
• version/tp-link tl-wa855re firmware/190408
• version/tp-link tl-wa855re firmware/191213
• version/tp-link tl-wa855re/v4