CVE-2023-40042 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Totolink	T10 V2 Firmware	5.9c.5061_b20200511
Totolink	T10 V2	-

Related Weaknesses (CWE)

CWE-787

References

http://www.totolink.cnNot Applicable
https://github.com/Korey0sh1/IoT_vuln/blob/main/TOTOLINK/T10_V2/setStaticDhcpConExploitThird Party Advisory
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/172/ids/36.htProduct
http://www.totolink.cnNot Applicable
https://github.com/Korey0sh1/IoT_vuln/blob/main/TOTOLINK/T10_V2/setStaticDhcpConExploitThird Party Advisory
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/172/ids/36.htProduct

FAQ

What is CVE-2023-40042?

CVE-2023-40042 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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, ...

How severe is CVE-2023-40042?

CVE-2023-40042 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-40042?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink T10 V2 Firmware, Totolink T10 V2.