CVE-2021-35031

Published: Dec 28, 2021

Modified: Aug 4, 2024

PUBLISHED

CVSS v3.1

6.8

MEDIUM

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.

Vendor	Product	Versions
Zyxel	GS1900 series firmware	affected `2.60`
Zyxel	XGS1210 series firmware	affected `1.00(ABTY.4)C0`
Zyxel	XGS1250 series firmware	affected `1.00(ABWE.0)C0`

Weaknesses (CWE)

CWE-78

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml

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CVE-2021-35031

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References