What’s Vulnerable › Vulnerabilities

CVE-2020-10916

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-07 · updated 2026-06-17
• Weakness: 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 products

• TP-Link TL-WA855RE: 190408, 191213

References

• https://www.zerodayinitiative.com/advisories/ZDI-20-553/
• https://www.zerodayinitiative.com/advisories/ZDI-20-553/

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