CVE-2024-9200

HIGH

7.2

CVSS Score

Published: December 3, 2024 at 01:33 AM UTC

Updated: June 17, 2026 at 08:24 AM UTC

12 products affected across 1 vendorVmg4005-b60a FirmwareVMG4005-B50A firmwareEmg6726-b10a Firmware

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Severity

HIGH7.2

Exploit prediction

EPSS 1%

SSVC

No known exploit

Description

A post-authentication command injection vulnerability in the "host" parameter of the diagnostic function in Zyxel VMG4005-B50A firmware versions through V5.15(ABQA.2.2)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on a vulnerable device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Emg6726-b10a Firmware · Zyxel

95%

v ≤ 5.13(abnp.8)c0v < 5.13(abnp.8)c1

Affected range stops below 5.13(abnp.8)c1, so it looks safe — our inference, not a vendor statement

zyxel-emg6726-b10a (same device)

Vmg3927-b50b Firmware · Zyxel

95%

v ≤ 5.13(ably.9)c0v < 5.13(ably.9)c1

Affected range stops below 5.13(ably.9)c1, so it looks safe — our inference, not a vendor statement

zyxel-vmg3927-b50b (same device)

VMG4005-B50A firmware · Zyxel

95%

v ≤ 5.15(abqa.2.2)c0v < 5.15(abqa.2.3)c0<= V5.15(ABQA.2.2)C0

Affected range stops below 5.15(abqa.2.3)c0, so it looks safe — our inference, not a vendor statement

zyxel-vmg4005-b50a (same device)

Vmg4005-b50b Firmware · Zyxel

95%

v ≤ 5.13(abrl.5.1)c0v < 5.13(abrl.5.2)c0

Affected range stops below 5.13(abrl.5.2)c0, so it looks safe — our inference, not a vendor statement

Vmg4005-b60a Firmware · Zyxel

95%

v ≤ 5.15(abqa.2.2)c0v < 5.15(abqa.2.3)c0

Affected range stops below 5.15(abqa.2.3)c0, so it looks safe — our inference, not a vendor statement

zyxel-vmg4005-b60a (same device)

Vmg4927-b50a Firmware · Zyxel

95%

v ≤ 5.13(ably.9)c0v < 5.13(ably.9)c1

Affected range stops below 5.13(ably.9)c1, so it looks safe — our inference, not a vendor statement

zyxel-vmg4927-b50a (same device)

Vmg4005-b50b · Zyxel

90%

v ≤ 5.13(abrl.5.1)c0v < 5.13(abrl.5.2)c0

Affected range stops below 5.13(abrl.5.2)c0, so it looks safe — our inference, not a vendor statement

Emg6726-B10A · Zyxeldevice

80%

All versions

Vmg3927-B50B · Zyxeldevice

80%

All versions

Vmg4005-B50A · Zyxeldevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-and-post-authentication-command-injection-vulnerabilities-in-some-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wifi-extenders-12-03-2024

References (1)

Vendor Advisory

Source: [email protected]

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-and-post-authentication-command-injection-vulnerabilities-in-some-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wifi-extenders-12-03-2024

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHZyxel

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-78

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