Read the docs
TI-2024-10425 Aliases CVE-2024-11253GHSA-3gv5-2r5q-m2jj

OS command injection in Zyxel VMG8825-T50K firmware

Priority LOW 36CWE-78Published · Updated

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 "DNSServer” parameter of the diagnostic function in the Zyxel VMG8825-T50K firmware version V5.50(ABOM.8.5)C0 and earlier 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 0.01081 65th 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

VendorProductAffected versionsFixed inStatusSource
ZyxelVMG8825-T50K firmwareup to V5.50(ABOM.8.5)C0—No fix listedCNA
  • VMG8825-T50K firmware VendorZyxel Affected up to V5.50(ABOM.8.5)C0 Fixed in — No fix listed CNA

CPE configurations NVD · 12

CPEVersionsRoleVendor
cpe:2.3:o:zyxel:emg5723-t50k_firmware:*:*:*:*:*:*:*:*up to 5.50\(abom.8.5\)c0VulnerableZyxel
cpe:2.3:h:zyxel:emg5723-t50k:-:*:*:*:*:*:*:*not specified by NVDRunning onZyxel
cpe:2.3:o:zyxel:dm4200-b0_firmware:*:*:*:*:*:*:*:*up to 5.17\(acbs.1\)c0VulnerableZyxel
cpe:2.3:h:zyxel:dm4200-b0:-:*:*:*:*:*:*:*not specified by NVDRunning onZyxel
cpe:2.3:o:zyxel:vmg3927-t50k_firmware:*:*:*:*:*:*:*:*up to 5.50\(abom.8.5\)c0VulnerableZyxel
cpe:2.3:h:zyxel:vmg3927-t50k:-:*:*:*:*:*:*:*not specified by NVDRunning onZyxel
cpe:2.3:o:zyxel:vmg4005-b50a_firmware:*:*:*:*:*:*:*:*up to 5.15\(abqa.2.3\)c0VulnerableZyxel
cpe:2.3:h:zyxel:vmg4005-b50a:-:*:*:*:*:*:*:*not specified by NVDRunning onZyxel
cpe:2.3:o:zyxel:vmg4005-b60a_firmware:*:*:*:*:*:*:*:*up to 5.15\(abqa.2.3\)c0VulnerableZyxel
cpe:2.3:h:zyxel:vmg4005-b60a:-:*:*:*:*:*:*:*not specified by NVDRunning onZyxel
  • cpe:2.3:o:zyxel:emg5723-t50k_firmware:*:*:*:*:*:*:*:* Versions up to 5.50\(abom.8.5\)c0 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:emg5723-t50k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
  • cpe:2.3:o:zyxel:dm4200-b0_firmware:*:*:*:*:*:*:*:* Versions up to 5.17\(acbs.1\)c0 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:dm4200-b0:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
  • cpe:2.3:o:zyxel:vmg3927-t50k_firmware:*:*:*:*:*:*:*:* Versions up to 5.50\(abom.8.5\)c0 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:vmg3927-t50k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
  • cpe:2.3:o:zyxel:vmg4005-b50a_firmware:*:*:*:*:*:*:*:* Versions up to 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 up to 5.15\(abqa.2.3\)c0 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:vmg4005-b60a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel
Show 2 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:zyxel:vmg8825-t50k_firmware:*:*:*:*:*:*:*:*up to 5.50\(abom.8.5\)c0VulnerableZyxel
cpe:2.3:h:zyxel:vmg8825-t50k:-:*:*:*:*:*:*:*not specified by NVDRunning onZyxel
  • cpe:2.3:o:zyxel:vmg8825-t50k_firmware:*:*:*:*:*:*:*:* Versions up to 5.50\(abom.8.5\)c0 Vulnerable ·Zyxel
  • cpe:2.3:h:zyxel:vmg8825-t50k:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zyxel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-11253
  2. 2026-10-03 Alias added: GHSA-3gv5-2r5q-m2jj

References

  • TI-2025-12742 OS command injection in Zyxel EX3301-T0 firmware CVSS 3.1HIGH 8.8
  • TI-2025-07956 OS command injection in Zyxel DX3300-T0 firmware CVSS 3.1HIGH 8.8
  • TI-2025-05994 Uncontrolled resource consumption in Zyxel DX3301-T0 firmware CVSS 3.1HIGH 7.5

Sources