Medium severity6.5NVD Advisory· Published May 26, 2026· Updated May 26, 2026

CVE-2026-4795

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Zyxel/GS1200-5v3llm-create
Range: <=1.00(ACPS.2)C0
Zyxel/GS1200-8v3llm-create
Range: <=1.00(ACPT.2)C0
Zyxel/GS1200-5HPv3llm-create
Range: <=1.00(ACPU.2)C0

Patches

Vulnerability mechanics

References

www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-missing-authorization-vulnerability-in-gs1200v3-series-switches-05-26-2026nvd

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