CVE-2020-10884
HIGHEPSS 98th pctlDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 98% of all known CVEs.
References
Related Vulnerabilities
Other CWE-321 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-30406 | Critical | 9.0 | 94% | KEV | Fix |
| CVE-2016-4437 | Critical | 9.8 | 93% | KEV | Fix |
| CVE-2023-32169 | Critical | 9.8 | 56% | - | - |
| CVE-2023-27584 | Critical | 9.8 | 34% | - | Fix |
| CVE-2021-4228 | Medium | 5.8 | 9.9% | - | - |
| CVE-2026-62241 | Critical | 9.1 | 6.5% | - | Fix |
Common questions
How do I fix CVE-2020-10884?
No published fix for CVE-2020-10884 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2020-10884 being actively exploited?
Not that we know of. CVE-2020-10884 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 24.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 98% of all scored CVEs.
How severe is CVE-2020-10884?
CVE-2020-10884 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.