CVE-2024-33820

Totolink AC1200 Wireless Dual Band Gigabit Router A3002R_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEncrypt function of the boa server. Specifically, they exploit the length of the wlan_ssid field triggers the overflow.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17	Exploit Third Party Advisory
https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:a3002r_firmware:4.0.0-b20230531.1404:*:*:*:*:*:*:*

cpe:2.3:h:totolink:a3002r:v4:*:*:*:*:*:*:*

History

17 Jun 2025, 16:44

Type	Values Removed	Values Added
First Time		Totolink a3002r Firmware Totolink a3002r Totolink
References	~~() https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17 -~~	() https://gist.github.com/Swind1er/ee095fbfe13f77a5b45b39a5aa82bd17 - Exploit, Third Party Advisory
CPE		cpe:2.3:o:totolink:a3002r_firmware:4.0.0-b20230531.1404:::::::* cpe:2.3:h:totolink:a3002r:v4:::::::*

Information

Published : 2024-05-01 16:15

Updated : 2025-06-17 16:44

NVD link : CVE-2024-33820

Mitre link : CVE-2024-33820

CVE.ORG link : CVE-2024-33820

JSON object : View

Products Affected

totolink

a3002r
a3002r_firmware

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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