CVE-2021-37386

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Furukawa Electric LatAm 423-41W/AC before v1.1.4 and LD421-21W before v1.3.3 were discovered to contain an HTML injection vulnerability via the serial number update function.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Multiple

Confidentiality

Partial

Integrity

Partial

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2021-07-21 CVE Reserved
2023-07-17 CVE Published
2024-10-29 CVE Updated
2025-02-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (4)

URL	Tag	Source
https://cwe.mitre.org/data/definitions/79.html	Not Applicable
https://gist.githubusercontent.com/LuigiPolidorio/ec78daac7c3d97966f2e3703ca5d1685/raw/d64a487407d6f9685d3907206954a6c84c6fa621/reference.txt	Third Party Advisory
https://owasp.org/www-project-web-security-testing-guide/latest/4-Web_Application_Security_Testing/11-Client-side_Testing/03-Testing_for_HTML_Injection	Not Applicable
https://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa

URL	Date	SRC

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
Furukawa Search vendor "Furukawa"	423-41w\/ac Firmware Search vendor "Furukawa" for product "423-41w\/ac Firmware"	< 1.2.0 Search vendor "Furukawa" for product "423-41w\/ac Firmware" and version " < 1.2.0"	-	Affected	in	Furukawa Search vendor "Furukawa"	423-41w\/ac Search vendor "Furukawa" for product "423-41w\/ac"	-	-	Safe
Furukawa Search vendor "Furukawa"	Ld421-21w Firmware Search vendor "Furukawa" for product "Ld421-21w Firmware"	< 1.5.0 Search vendor "Furukawa" for product "Ld421-21w Firmware" and version " < 1.5.0"	-	Affected	in	Furukawa Search vendor "Furukawa"	Ld421-21w Search vendor "Furukawa" for product "Ld421-21w"	-	-	Safe
Furukawa Search vendor "Furukawa"	Ld420-10r Firmware Search vendor "Furukawa" for product "Ld420-10r Firmware"	< 1.4.0 Search vendor "Furukawa" for product "Ld420-10r Firmware" and version " < 1.4.0"	-	Affected	in	Furukawa Search vendor "Furukawa"	Ld420-10r Search vendor "Furukawa" for product "Ld420-10r"	-	-	Safe
Furukawa Search vendor "Furukawa"	Ld421-21wv Firmware Search vendor "Furukawa" for product "Ld421-21wv Firmware"	< 1.5.0 Search vendor "Furukawa" for product "Ld421-21wv Firmware" and version " < 1.5.0"	-	Affected	in	Furukawa Search vendor "Furukawa"	Ld421-21wv Search vendor "Furukawa" for product "Ld421-21wv"	-	-	Safe