CVE-2023-40042

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2023-08-08 CVE Reserved
2023-08-08 CVE Published
2024-10-10 CVE Updated
2024-10-10 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (3)

URL	Tag	Source
http://www.totolink.cn	Not Applicable
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/172/ids/36.html	Product

URL	Date	SRC
https://github.com/Korey0sh1/IoT_vuln/blob/main/TOTOLINK/T10_V2/setStaticDhcpConfig.md	2024-10-10

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Totolink Search vendor "Totolink"	T10 V2 Firmware Search vendor "Totolink" for product "T10 V2 Firmware"	5.9c.5061_b20200511 Search vendor "Totolink" for product "T10 V2 Firmware" and version "5.9c.5061_b20200511"	-	Affected	in	Totolink Search vendor "Totolink"	T10 V2 Search vendor "Totolink" for product "T10 V2"	-	-	Safe