CVE-2022-34886 Memory corruption in Printer G263DNS
Remote attackers can execute arbitrary code on Lenovo printers by sending malicious strings that trigger a stack overflow in the firmware.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-34886?
CVE-2022-34886 is a high-severity memory corruption vulnerability in Lenovo Printer G263DNS, published on 27 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2022-34886?
It affects 3 products.
Products include Lenovo G263dns Firmware, Lenovo Gm265dn Firmware, Lenovo Gm266dns Firmware.
How do I fix CVE-2022-34886?
No fix has been published for CVE-2022-34886 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-34886 being exploited?
There is no known exploitation of CVE-2022-34886 in the wild and no public exploit code.
Other vulnerabilities in Lenovo Printer G263DNS
Sources
Also known as GHSA-9qr5-85g4-f6rq.