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CVE-2026-4795

CVSS 6.5 · Medium EPSS 0.23% · P14

Affected Version Matrix 5

VendorProductVersion RangeStatus
ZyxelGS1200-10v3 firmware<= 1.00(ACPW.2)C0affected
ZyxelGS1200-5HPv3 firmware<= 1.00(ACPU.2)C0affected
ZyxelGS1200-5v3 firmware<= 1.00(ACPS.2)C0affected
ZyxelGS1200-8HPv3 firmware<= 1.00(ACPV.2)C0affected
ZyxelGS1200-8v3 firmware<= 1.00(ACPT.2)C0affected
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I. Basic Information for CVE-2026-4795

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zyxel GS1200 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel GS1200是中国合勤（Zyxel）公司的一系列交换机。 Zyxel GS1200存在安全漏洞，该漏洞源于缺少授权验证，可能导致基于LAN的未认证攻击者通过特制HTTP请求从日志文件读取系统配置。以下版本受到影响：GS1200-5v3 1.00(ACPS.2)C0及之前版本、GS1200-8v3 1.00(ACPT.2)C0及之前版本、GS1200-5HPv3 1.00(ACPU.2)C0及之前版本、GS1200-8HPv3 1.00(ACPV.2)C0及之前版本和GS1200-10v3 1.
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
ZyxelGS1200-5v3 firmware <= 1.00(ACPS.2)C0 -
ZyxelGS1200-8v3 firmware <= 1.00(ACPT.2)C0 -
ZyxelGS1200-5HPv3 firmware <= 1.00(ACPU.2)C0 -
ZyxelGS1200-8HPv3 firmware <= 1.00(ACPV.2)C0 -
ZyxelGS1200-10v3 firmware <= 1.00(ACPW.2)C0 -

II. Public POCs for CVE-2026-4795

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III. Intelligence Information for CVE-2026-4795

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Vendor Advisories for CVE-2026-4795 (1)

IV. Related Vulnerabilities

Same vendor: Zyxel
Same weakness: CWE-862

V. Comments for CVE-2026-4795

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