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Status published
Medium
CVE-2021-35031
A vulnerability in the TFTP client of Zyxel GS1900 series...
Vulnerability Description
A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Zyxel
View all reports →Affected Software
GS1900 series firmware, XGS1210 series firmware, XGS1250 series firmware
Vulnerable Versions:
2.60, 1.00(ABTY.4)C0, 1.00(ABWE.0)C0
Timeline
Official Publish:
December 28th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H