CVE-2023-3943

Multiple buffer overflow in ZkTeco-based OEM devices

Description

Stack-based Buffer Overflow vulnerability in ZkTeco-based OEM devices allows, in some cases, the execution of arbitrary code. Due to the lack of protection mechanisms such as stack canaries and PIE, it is possible to successfully execute code even under restrictive conditions. This issue affects ZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec ST-FR041ME and possibly others) with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0 and possibly others.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.29%
Affected: ZkTeco ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0
Published at:
Updated at:

References

Link Tags
https://github.com/klsecservices/Advisories/blob/master/K-ZkTeco-2023-006.md

Frequently Asked Questions

What is the severity of CVE-2023-3943?
CVE-2023-3943 has been scored as a critical severity vulnerability.
How to fix CVE-2023-3943?
To fix CVE-2023-3943, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-3943 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-3943 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3943?
CVE-2023-3943 affects ZkTeco ZkTeco-based OEM devices with firmware ZAM170-NF-1.8.25-7354-Ver1.0.0.
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