Cyber Resilience

CVE-2024-30219

Planex Mzk-Mf300N Firmware

Published
15 April 2024
Modified
30 June 2025
CVSS Score v3.1 6.8
Click a component to see what it means
Raw vectorCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0029 21th percentile
Risk Priority 49 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2024-30219 is a medium-severity Active Debug Code (CWE-489) vulnerability in Planex Mzk-Mf300N Firmware. Its CVSS base score is 6.8 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 21th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to CM-2 (Baseline Configuration) and CM-7 (Least Functionality) — see the control section below for these in your framework.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

Active debug code vulnerability exists in PLANEX COMMUNICATIONS wireless LAN routers. If a logged-in user who knows how to use the debug function accesses the device's management page, an unintended operation may be performed. Note that MZK-MF300N is no longer…

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supported, therefore the update for this product is not provided.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-30220Same product: Planex Mzk-Mf300Hp2
CVE-2024-45372Same vendor: Planex
CVE-2023-22375Same vendor: Planex
CVE-2023-32645Shared CWE-489
CVE-2023-49593Shared CWE-489
CVE-2026-32662Shared CWE-489
CVE-2023-4804Shared CWE-489
CVE-2026-66403Shared CWE-489
CVE-2025-15017Shared CWE-489
CVE-2025-4106Shared CWE-489

Affected Assets

planex
mzk-mf300n firmware
all versions
planex
mzk-mf300hp2 firmware
≤ 1.18

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

Baseline configuration defines the approved production state that must exclude active debug code.

Least functionality explicitly prohibits enabling unnecessary debug or diagnostic features in production builds.

Documented development standards and tools can require removal of debug code before release.

Security-integrated SDLC processes ensure debug artifacts are stripped prior to deployment.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require removal of debug code before release, covering most of this weakness while the control addresses many other development issues.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing in development and acceptance catches active debug code before deployment.

prevents

Configuration management can disable or remove debug features through hardened baselines.

prevents

Secure development life cycle mandates removal of debug code before release.

prevents

Secure coding standards explicitly prohibit leaving debug code active in production.

prevents

Separation of environments reduces risk of debug code reaching production but does not directly address its removal.

prevents

Change management can enforce removal of debug code as part of release gates.

References