Buffer overflow in Lenovo G263dns
CVE-2022-34886
A remote code execution vulnerability was found in the firmware used in some Lenovo printers, which can be caused by a remote user pushing an illegal string to the server-side interface via a script, resulting in a stack overflow.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (55.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Lenovo G263dns
- Lenovo G263dns_firmware
- Lenovo Gm265dn
- Lenovo Gm265dn_firmware
- Lenovo Gm266dns
- Lenovo Gm266dns_firmware
- Lenovo Printer G263dns — versions
- Lenovo Printer Gm265dn (Production Date July 2022 And Later) — versions
- Lenovo Printer Gm265dn (Production Date June 2022 And Before) — versions
- Lenovo Printer Gm266dns — versions
Weakness classification (CWE)
References
- psirt@lenovo.com (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-34886?
- CVE-2022-34886 is a high-severity vulnerability in Lenovo G263dns, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2023-10-27.
- How severe is CVE-2022-34886?
- High severity. CVSS v3 base score is 8.8 out of 10.