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CVE-2022-34886

HIGH
8.8
CVSS Score
Published: October 27, 2023 at 06:40 PM UTC
Updated: June 17, 2026 at 04:51 AM UTC
6 products affected across 1 vendorG263DNS FirmwareGM266DNS FirmwareG263DNS

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

G263DNS Firmware· Lenovo
95%
v < 2.06.00.04.002.06.00.04.00
Affected range stops below 2.06.00.04.00, so it looks safe — our inference, not a vendor statement
GM266DNS Firmware· Lenovo
95%
v < 2.06.00.04.002.06.00.04.00
Affected range stops below 2.06.00.04.00, so it looks safe — our inference, not a vendor statement
lenovo-gm266dns (same device)
G263DNS· Lenovo
90%
v < 2.06.00.04.002.06.00.04.00
Affected range stops below 2.06.00.04.00, so it looks safe — our inference, not a vendor statement
GM265DN· Lenovo
60%
v < 01.00.20Nv < 01.17.00.03.00
Affected range stops below 01.00.20N, so it looks safe — our inference, not a vendor statement
Affected range stops below 01.17.00.03.00, so it looks safe — our inference, not a vendor statement
GM265DN Firmware· Lenovo
60%
v < 01.00.20Nv < 01.17.00.03.00
Affected range stops below 01.00.20N, so it looks safe — our inference, not a vendor statement
Affected range stops below 01.17.00.03.00, so it looks safe — our inference, not a vendor statement
Gm266Dns· Lenovodevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

PatchVendor Advisory
Source: [email protected]
https://iknow.lenovo.com.cn/detail/205041.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHlenovo
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120CWE-787

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