CVE-2020-10884

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 39.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-03-25 · updated 2026-06-17
Weakness: CWE-321

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

TP-Link AC1750: 190726

References

http://packetstormsecurity.com/files/157255/TP-Link-Archer-A7-C7-Unauthenticated-LAN-Remote-Code-Execution.html
https://www.zerodayinitiative.com/advisories/ZDI-20-336/
http://packetstormsecurity.com/files/157255/TP-Link-Archer-A7-C7-Unauthenticated-LAN-Remote-Code-Execution.html
https://www.zerodayinitiative.com/advisories/ZDI-20-336/

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