What is CVE-2021-37289?

CVE-2021-37289 is a high-severity vulnerability in Planex Mzk-Dp150n, classified under Incorrect Default Permissions. CVSS score: 7.2/10. Published 2022-08-22.

How severe is CVE-2021-37289?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2021-37289 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Planex Mzk-Dp150n

CVE-2021-37289

Insecure Permissions in administration interface in Planex MZK-DP150N 1.42 and 1.43 allows attackers to execute system command as root via etc_ro/web/syscmd.asp.

Published 2022-08-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: +0.000

Affected products

Planex Mzk-Dp150n
Planex Mzk-Dp150n Firmware — versions 1.42, 1.43

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

www.planex.co.jp/products/mzk-dp150n/ (Product, Vendor Advisory)
jvn.jp/en/vu/JVNVU98291763/ (Third Party Advisory)
samy.link/blog/a-hidden-web-shell-in-the-plug-in-wireless-planex-mzk-dp150n (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-37289?: CVE-2021-37289 is a high-severity vulnerability in Planex Mzk-Dp150n, classified under Incorrect Default Permissions. CVSS score: 7.2/10. Published 2022-08-22.
How severe is CVE-2021-37289?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-37289 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.