Zyxel · Gs1200-5V3 · CVE-2026-4795
**Name of the Vulnerable Software and Affected Versions**
Zyxel GS1200-5v3 versions prior to 1.00(ACPS.2)C0
Zyxel GS1200-8v3 versions prior to 1.00(ACPT.2)C0
Zyxel GS1200-5HPv3 versions prior to 1.00(ACPU.2)C0
Zyxel GS1200-8HPv3 versions prior to 1.00(ACPV.2)C0
Zyxel GS1200-10v3 versions prior to 1.00(ACPW.2)C0
**Description**
A missing authorization issue allows an unauthenticated attacker on the local area network (LAN) to read the system configuration from a log file by sending a specially crafted HTTP request.
**Recommendations**
Update GS1200-5v3 to version 1.00(ACPS.2)C0 or later.
Update GS1200-8v3 to version 1.00(ACPT.2)C0 or later.
Update GS1200-5HPv3 to version 1.00(ACPU.2)C0 or later.
Update GS1200-8HPv3 to version 1.00(ACPV.2)C0 or later.
Update GS1200-10v3 to version 1.00(ACPW.2)C0 or later.