CVE-2020-10916

HIGH

TP-Link TL-WA855RE Firmware <1.0.1-P1 - Privilege Escalation

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-553/

Scores

CVSS v3 8.0
EPSS 0.0083
EPSS Percentile 74.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (2)
tp-link/tl-wa855re_firmware 190408
tp-link/tl-wa855re_firmware 191213
Published May 07, 2020
Tracked Since Feb 18, 2026