CVEvulnerability
CVE-2020-10916
8.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-05-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.0 HIGH — CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.0 ([email protected])
- 8.0 HIGH — CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 5.2 MEDIUM — AV:A/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-287
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.
Affected configurations
• tp-link tl-wa855re firmware 190408
• tp-link tl-wa855re firmware 191213
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
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