Vulnerability · Published Mar 25, 2020 · Assigned by zdi

CVE-2020-10884

High 8.1

In plain English

A high-severity security flaw in Archer A7 from TP-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 38.8% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit.

Severity (CVSS 3.0)8.1High
Exploit odds (30 days)38.8%top 1.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Metasploit

Official description

This vulnerability allows network-adjacent attackers execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the tdpServer service, which listens on UDP port 20002 by default. This issue results from the use of hard-coded encryption key. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-9652.

Affected products (as reported)

VendorProductVersions
TP-Link Archer A7 Firmware Ver: 190726

Weakness: CWE-321 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References