A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware versions through 1.00(ACPT.2)C0,  GS1200-5HPv3 firmware versions through 1.00(ACPU.2)C0, GS1200-8HPv3 firmware versions through 1.00(ACPV.2)C0, and GS1200-10v3 firmware versions through 1.00(ACPW.2)C0 could allow a LAN-based, unauthenticated attacker to read the system configuration from a log file via a crafted HTTP request.
History

Wed, 27 May 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Zyxel
Zyxel gs1200-5 Firmware
Zyxel gs1200-5hp Firmware
Zyxel gs1200-8 Firmware
Zyxel gs1200-8hp Firmware
Vendors & Products Zyxel
Zyxel gs1200-5 Firmware
Zyxel gs1200-5hp Firmware
Zyxel gs1200-8 Firmware
Zyxel gs1200-8hp Firmware

Tue, 26 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 26 May 2026 04:15:00 +0000

Type Values Removed Values Added
Title Missing Authorization Allows LAN‑Based Unauthenticated Read of System Configuration

Tue, 26 May 2026 02:15:00 +0000

Type Values Removed Values Added
Description A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware versions through 1.00(ACPT.2)C0,  GS1200-5HPv3 firmware versions through 1.00(ACPU.2)C0, GS1200-8HPv3 firmware versions through 1.00(ACPV.2)C0, and GS1200-10v3 firmware versions through 1.00(ACPW.2)C0 could allow a LAN-based, unauthenticated attacker to read the system configuration from a log file via a crafted HTTP request.
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Zyxel

Published: 2026-05-26T01:42:37.914Z

Updated: 2026-05-26T12:18:03.665Z

Reserved: 2026-03-25T02:49:26.644Z

Link: CVE-2026-4795

cve-icon Vulnrichment

Updated: 2026-05-26T12:17:54.620Z

cve-icon NVD

Status : Deferred

Published: 2026-05-26T02:16:40.360

Modified: 2026-05-26T19:45:44.463

Link: CVE-2026-4795

cve-icon Redhat

No data.