CVE-2023-40042

Public Exploit

Description

TOTOLINK T10_v2 5.9c.5061_B20200511 has a stack-based buffer overflow in setStaticDhcpConfig in /lib/cste_modules/lan.so. Attackers can send crafted data in an MQTT packet, via the comment parameter, to control the return address and execute code.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.29%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.totolink.cn not applicable
https://github.com/Korey0sh1/IoT_vuln/blob/main/TOTOLINK/T10_V2/setStaticDhcpConfig.md third party advisory exploit
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/172/ids/36.html product

Frequently Asked Questions

What is the severity of CVE-2023-40042?
CVE-2023-40042 has been scored as a critical severity vulnerability.
How to fix CVE-2023-40042?
To fix CVE-2023-40042, 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-2023-40042 being actively exploited in the wild?
It is possible that CVE-2023-40042 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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