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CVE-2021-37289

24
FAUCET Score

CVE-2021-37289 describes an Insecure Permissions vulnerability in the administration interface of Planex MZK-DP150N firmware versions 1.42 and 1.43. This flaw allows authenticated attackers with high privileges to execute arbitrary system commands as root via the etc_ro/web/syscmd.asp endpoint. With a CVSS score of 7.2 (HIGH), this vulnerability poses a significant risk due to its potential for complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.42CPE matchmatch criteria
cpe:2.3:o:planex:mzk-dp150n_firmware:1.42:*:*:*:*:*:*:*
1.43CPE matchmatch criteria
cpe:2.3:o:planex:mzk-dp150n_firmware:1.43:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.40%
Probability of exploitation in next 30 days
EPSS Percentile
69.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0140 is in the 61st percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvn.jp / en/vu/JVNVU98291763
Third Party Advisory
samy.link / blog/a-hidden-web-shell-in-the-plug-in-wireless-planex-mzk-dp150n
ExploitThird Party Advisory
planex.co.jp / products/mzk-dp150n
ProductVendor Advisory