What is CVE-2023-37284?

CVE-2023-37284 is a high-severity vulnerability in TP-Link Archer C20, classified under Improper Authentication. CVSS score: 8.8/10. Published 2023-09-06.

How severe is CVE-2023-37284?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in TP-Link Archer C20

CVE-2023-37284

Improper authentication vulnerability in Archer C20 firmware versions prior to 'Archer C20(JP)_V1_230616' allows a network-adjacent unauthenticated attacker to execute an arbitrary OS command via a crafted request to bypass authentication.

Vulnerability class: Broken Authentication

Published 2023-09-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (32.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

TP-Link Archer C20 — versions firmware versions prior to 'Archer C20(JP)_V1_230616'
TP-Link Archer C20 — versions 1
TP-Link Archer C20 Firmware

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.tp-link.com/jp/support/download/archer-c20/v1/ (Product)
jvn.jp/en/vu/JVNVU99392903/ (Third Party Advisory)

Frequently asked questions

What is CVE-2023-37284?: CVE-2023-37284 is a high-severity vulnerability in TP-Link Archer C20, classified under Improper Authentication. CVSS score: 8.8/10. Published 2023-09-06.
How severe is CVE-2023-37284?: High severity. CVSS v3 base score is 8.8 out of 10.