CVE-2021-40406

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A denial of service vulnerability exists in the cgiserver.cgi session creation functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to prevent users from logging in. An attacker can send an HTTP request to trigger this vulnerability.

Se presenta una vulnerabilidad de denegación de servicio en la funcionalidad session creation del archivo cgiserver.cgi de reolink RLC-410W versión v3.0.0.136_20121102. Una petición HTTP especialmente diseñada puede conllevar que usuarios no puedan iniciar la sesión. Un atacante puede enviar una petición HTTP para desencadenar esta vulnerabilidad

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-09-01 CVE Reserved
2022-01-28 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1423	2024-08-04

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
Reolink Search vendor "Reolink"	Rlc-410w Firmware Search vendor "Reolink" for product "Rlc-410w Firmware"	3.0.0.136_20121102 Search vendor "Reolink" for product "Rlc-410w Firmware" and version "3.0.0.136_20121102"	-	Affected	in	Reolink Search vendor "Reolink"	Rlc-410w Search vendor "Reolink" for product "Rlc-410w"	-	-	Safe