CVE-2021-37289

HIGHNVD 7.27.2—

7.2

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.

CVSS v3: 7.2
EG Score: 7.2(medium)
EPSS: 64.1%
KEV: Not listed

Published

August 22, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://www.planex.co.jp/products/mzk-dp150n/
cve@mitrehttps://jvn.jp/en/vu/JVNVU98291763/
cve@mitrehttps://samy.link/blog/a-hidden-web-shell-in-the-plug-in-wireless-planex-mzk-dp150n
af854a3a-2127-422b-91ae-364da2661108http://www.planex.co.jp/products/mzk-dp150n/
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/vu/JVNVU98291763/
af854a3a-2127-422b-91ae-364da2661108https://samy.link/blog/a-hidden-web-shell-in-the-plug-in-wireless-planex-mzk-dp150n

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-276Incorrect Default Permissions

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
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2026-05-25 16:50 UTCEG score recompute

Frequently asked(5)

What is CVE-2021-37289?

CVE-2021-37289 is a high vulnerability published on August 22, 2022. 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.

When was CVE-2021-37289 disclosed?

CVE-2021-37289 was first published in the National Vulnerability Database on August 22, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-37289 actively exploited?

CVE-2021-37289 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-37289?

CVE-2021-37289 has a CVSS v3 base score of 7.2 (NVD).

How do I remediate CVE-2021-37289?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-37289, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-37289

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-37289?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

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