TI-2024-08536 Aliases CVE-2024-9200 GHSA-3787-f2g5-hhvq

OS command injection in Zyxel VMG4005-B50A firmware

LOW 36CWE-78Published 2024-12-03 · Updated 2024-12-06

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01167 67th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Zyxel	VMG4005-B50A firmware	up to V5.15(ABQA.2.2)C0	—	No fix listed	CNA

VMG4005-B50A firmware VendorZyxel Affected up to V5.15(ABQA.2.2)C0 Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPE	Versions	Role	Vendor
cpe:2.3:o:zyxel:emg6726-b10a_firmware::::::::	before 5.13\(abnp.8\)c1	Vulnerable	Zyxel
cpe:2.3:h:zyxel:emg6726-b10a:-:::::::*	not specified by NVD	Running on	Zyxel
cpe:2.3:o:zyxel:vmg3927-b50b_firmware::::::::	before 5.13\(ably.9\)c1	Vulnerable	Zyxel
cpe:2.3:h:zyxel:vmg3927-b50b:-:::::::*	not specified by NVD	Running on	Zyxel
cpe:2.3:o:zyxel:vmg4005-b50a_firmware::::::::	before 5.15\(abqa.2.3\)c0	Vulnerable	Zyxel
cpe:2.3:h:zyxel:vmg4005-b50a:-:::::::*	not specified by NVD	Running on	Zyxel
cpe:2.3:o:zyxel:vmg4005-b60a_firmware::::::::	before 5.15\(abqa.2.3\)c0	Vulnerable	Zyxel
cpe:2.3:h:zyxel:vmg4005-b60a:-:::::::*	not specified by NVD	Running on	Zyxel
cpe:2.3:o:zyxel:vmg4005-b50b_firmware::::::::	before 5.13\(abrl.5.2\)c0	Vulnerable	Zyxel
cpe:2.3:h:zyxel:vmg4005-b50b:-:::::::*	not specified by NVD	Running on	Zyxel

cpe:2.3:o:zyxel:emg6726-b10a_firmware:*:*:*:*:*:*:*:* Versions before 5.13\(abnp.8\)c1 Vulnerable ·Zyxel
cpe:2.3:h:zyxel:emg6726-b10a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
cpe:2.3:o:zyxel:vmg3927-b50b_firmware:*:*:*:*:*:*:*:* Versions before 5.13\(ably.9\)c1 Vulnerable ·Zyxel
cpe:2.3:h:zyxel:vmg3927-b50b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
cpe:2.3:o:zyxel:vmg4005-b50a_firmware:*:*:*:*:*:*:*:* Versions before 5.15\(abqa.2.3\)c0 Vulnerable ·Zyxel
cpe:2.3:h:zyxel:vmg4005-b50a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
cpe:2.3:o:zyxel:vmg4005-b60a_firmware:*:*:*:*:*:*:*:* Versions before 5.15\(abqa.2.3\)c0 Vulnerable ·Zyxel
cpe:2.3:h:zyxel:vmg4005-b60a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
cpe:2.3:o:zyxel:vmg4005-b50b_firmware:*:*:*:*:*:*:*:* Versions before 5.13\(abrl.5.2\)c0 Vulnerable ·Zyxel
cpe:2.3:h:zyxel:vmg4005-b50b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel

Show 2 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:zyxel:vmg4927-b50a_firmware::::::::	before 5.13\(ably.9\)c1	Vulnerable	Zyxel
cpe:2.3:h:zyxel:vmg4927-b50a:-:::::::*	not specified by NVD	Running on	Zyxel

cpe:2.3:o:zyxel:vmg4927-b50a_firmware:*:*:*:*:*:*:*:* Versions before 5.13\(ably.9\)c1 Vulnerable ·Zyxel
cpe:2.3:h:zyxel:vmg4927-b50a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-9200
2026-10-03 Alias added: GHSA-3787-f2g5-hhvq

References

Advisory 1

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

TI-2025-12741 OS command injection in Zyxel EX3510-B0 firmware CVSS 3.1CRITICAL 9.8
TI-2025-07004 Buffer overflow in Zyxel VMG8825-T50K firmware CVSS 3.1CRITICAL 9.8
TI-2025-12742 OS command injection in Zyxel EX3301-T0 firmware CVSS 3.1HIGH 8.8
TI-2025-05994 Uncontrolled resource consumption in Zyxel DX3301-T0 firmware CVSS 3.1HIGH 7.5
TI-2024-08115 Buffer overflow in Zyxel VMG8825-T50K firmware CVSS 3.1HIGH 7.5
TI-2022-09765 OS command injection in Zyxel VMG3312-T20A firmware CVSS 3.1HIGH 8.0

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences