Buffer overflow in Lenovo Printer GM265DN
Priority MEDIUM 42CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01078 65th percentileScored 2026-11-07
Fix Fixed Printer GM265DN (production date June 2022 and before) (Lenovo): 01.00.20NPrinter GM265DN (production date July 2022 and later) (Lenovo): 01.17.00.03.00+2 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Lenovo | Printer GM265DN (production date June 2022 and before) | to before 01.00.20N | 01.00.20N | Patch available | CNA |
| Lenovo | Printer GM265DN (production date July 2022 and later) | to before 01.17.00.03.00 | 01.17.00.03.00 | Patch available | CNA |
| Lenovo | Printer GM266DNS | to before 02.06.00.04.00 | 02.06.00.04.00 | Patch available | CNA |
| Lenovo | Printer G263DNS | to before 02.06.00.04.00 | 02.06.00.04.00 | Patch available | CNA |
- Printer GM265DN (production date June 2022 and before) VendorLenovo Affected to before 01.00.20N Fixed in 01.00.20N Patch available CNA
- Printer GM265DN (production date July 2022 and later) VendorLenovo Affected to before 01.17.00.03.00 Fixed in 01.17.00.03.00 Patch available CNA
- Printer GM266DNS VendorLenovo Affected to before 02.06.00.04.00 Fixed in 02.06.00.04.00 Patch available CNA
- Printer G263DNS VendorLenovo Affected to before 02.06.00.04.00 Fixed in 02.06.00.04.00 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:lenovo:gm265dn_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:gm265dn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:gm266dns_firmware:*:*:*:*:*:*:*:* | before 02.06.00.04.00 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:gm266dns:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
| cpe:2.3:o:lenovo:g263dns_firmware:*:*:*:*:*:*:*:* | before 02.06.00.04.00 | Vulnerable | Lenovo |
| cpe:2.3:h:lenovo:g263dns:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Lenovo |
- cpe:2.3:o:lenovo:gm265dn_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:gm265dn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:gm266dns_firmware:*:*:*:*:*:*:*:* Versions before 02.06.00.04.00 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:gm266dns:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
- cpe:2.3:o:lenovo:g263dns_firmware:*:*:*:*:*:*:*:* Versions before 02.06.00.04.00 Vulnerable ·Lenovo
- cpe:2.3:h:lenovo:g263dns:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
Remediation
- Fix · CNA Printer GM265DN (production date June 2022 and before) (Lenovo) Fixed in 01.00.20N
- Fix · CNA Printer GM265DN (production date July 2022 and later) (Lenovo) Fixed in 01.17.00.03.00
- Fix · CNA Printer GM266DNS (Lenovo) Fixed in 02.06.00.04.00
- Fix · CNA Printer G263DNS (Lenovo) Fixed in 02.06.00.04.00
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Lenovo Printer G263DNS, Printer GM265DN (production date July 2022 and later) and 2 more products 01.00.20N, 01.17.00.03.00, 02.06.00.04.00
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2022-03166 Improper input validation in Lenovo Printer GM265DNPriority LOW 30
- TI-2022-15683 Improper authentication in Lenovo Printer GM265DNPriority LOW 24
Timeline
- 2026-10-02 Threatist record created from CVE-2022-34886
- 2026-10-03 Alias added: GHSA-9qr5-85g4-f6rq
References
More Lenovo G263dns Firmware vulnerabilities
- TI-2022-03166 Improper input validation in Lenovo Printer GM265DN CVSS 3.1MEDIUM 6.5
- TI-2022-15683 Improper authentication in Lenovo Printer GM265DN CVSS 3.1MEDIUM 5.4
Sources
- CVE-2022-34886 · CVE Program
- CVE-2022-34886 · NVD
- FIRST EPSS
- GHSA-9qr5-85g4-f6rq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences