CVE-2020-10884

Name: CVE-2020-10884
Creator: NVD / NIST
Published: 2020-03-25T21:15:12.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 24.50%

Last modified Jun 17, 2026

CVE-2020-10884 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 24.50% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

24.50%

97.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tp-Link	Ac1750 Firmware	190726

References

http://packetstormsecurity.com/files/157255/TP-Link-Archer-A7-C7-Unauthenticated-LAN-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-336/Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/157255/TP-Link-Archer-A7-C7-Unauthenticated-LAN-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-336/Third Party Advisory, VDB Entry

Timeline

Published: Mar 25, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10884?

How severe is CVE-2020-10884?

CVE-2020-10884 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 24.50% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10884?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10884?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST