Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2026-4795
PUBLISHED
More InfoOfficial Page
Assigner-Zyxel
Assigner Org ID-96e50032-ad0d-4058-a115-4d2c13821f9f
View Known Exploited Vulnerability (KEV) details
Published At-26 May, 2026 | 01:42
Updated At-26 May, 2026 | 12:18
Rejected At-
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
Zyxel Networks CorporationZyxel
Product
GS1200-5v3 firmware
Default Status
unaffected
Versions
Affected
  • <= 1.00(ACPS.2)C0
Vendor
Zyxel Networks CorporationZyxel
Product
GS1200-8v3 firmware
Default Status
unaffected
Versions
Affected
  • <= 1.00(ACPT.2)C0
Vendor
Zyxel Networks CorporationZyxel
Product
GS1200-5HPv3 firmware
Default Status
unaffected
Versions
Affected
  • <= 1.00(ACPU.2)C0
Vendor
Zyxel Networks CorporationZyxel
Product
GS1200-8HPv3 firmware
Default Status
unaffected
Versions
Affected
  • <= 1.00(ACPV.2)C0
Vendor
Zyxel Networks CorporationZyxel
Product
GS1200-10v3 firmware
Default Status
unaffected
Versions
Affected
  • <= 1.00(ACPW.2)C0
Problem Types
TypeCWE IDDescription
CWECWE-862CWE-862: Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: CWE-862: Missing Authorization
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-missing-authorization-vulnerability-in-gs1200v3-series-switches-05-26-2026
vendor-advisory
Hyperlink: https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-missing-authorization-vulnerability-in-gs1200v3-series-switches-05-26-2026
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found