What’s Vulnerable › Vulnerabilities

CVE-2022-3429

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-27 · updated 2026-06-17
• Weakness: CWE-20

Description

A denial-of-service vulnerability was found in the firmware used in Lenovo printers, where users send illegal or malformed strings to an open port, triggering a denial of service that causes a display error and prevents the printer from functioning properly.

Affected products

• Lenovo G263Dns Firmware: before 02.06.00.04.00 — fixed in 02.06.00.04.00
• Lenovo Gm265Dn Firmware: all versions
• Lenovo Gm266Dns Firmware: before 02.06.00.04.00 — fixed in 02.06.00.04.00

How to fix

Upgrade to a fixed version: Lenovo G263Dns Firmware 02.06.00.04.00; Lenovo Gm266Dns Firmware 02.06.00.04.00. Check the vendor advisory for mitigations.

References

• https://iknow.lenovo.com.cn/detail/205041.html
• https://iknow.lenovo.com.cn/detail/205041.html

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