CVE-2020-10916 — HIGH (8.0)

Vulnerability 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.

CVSS Score

8.0

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wa855Re Firmware	190408
Tp-Link	Tl-Wa855Re	v4

Related Weaknesses (CWE)

CWE-287

References

https://www.zerodayinitiative.com/advisories/ZDI-20-553/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-553/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2020-10916?

CVE-2020-10916 is a vulnerability with a CVSS score of 8.0 (HIGH). 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. Alt...

How severe is CVE-2020-10916?

CVE-2020-10916 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-10916?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wa855Re Firmware, Tp-Link Tl-Wa855Re.