CVE-2022-37134

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tp_usrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tp_usrname, resulting in stack overflow.

D-link DIR-816 versión A2_v1.10CNB04.img, es vulnerable a un Desbordamiento de Búfer por medio del archivo /goform/form2Wan.cgi. Cuando wantype es 3, l2tp_usrname será descifrado por base64, y el resultado es almacenado en v94, que no comprueba el tamaño de l2tp_usrname, resultando en un desbordamiento de pila.

*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:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-08-01 CVE Reserved
2022-08-22 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2025-04-16 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-1284: Improper Validation of Specified Quantity in Input

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/z1r00/IOT_Vul/blob/main/dlink/Dir816/form2Wan_cgi/readme.md	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://www.dlink.com/en/security-bulletin	2023-08-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dlink Search vendor "Dlink"	Dir-816 Firmware Search vendor "Dlink" for product "Dir-816 Firmware"	1.10cnb04 Search vendor "Dlink" for product "Dir-816 Firmware" and version "1.10cnb04"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-816 Search vendor "Dlink" for product "Dir-816"	a2 Search vendor "Dlink" for product "Dir-816" and version "a2"	-	Safe