// For flags

CVE-2021-25811

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

MERCUSYS Mercury X18G 1.0.5 devices allow Denial of service via a crafted value to the POST listen_http_lan parameter. Upon subsequent device restarts after this vulnerability is exploted the device will not be able to access the webserver unless the listen_http_lan parameter to uhttpd.json is manually fixed.

Los dispositivos MERCUSYS Mercury X18G versión 1.0.5, permiten una Denegación de Servicio por medio de un valor diseñado para el parámetro POST listen_http_lan. En los reinicios posteriores del dispositivo después de que esta vulnerabilidad es explotada, el dispositivo no podrá acceder al servidor web a menos que el parámetro listen_http_lan para el archivo uhttpd.json es manualmente corregido

*Credits: N/A
CVSS Scores
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
  • 2021-01-22 CVE Reserved
  • 2021-04-29 CVE Published
  • 2024-01-13 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mercusys
Search vendor "Mercusys"
Mercury X18g Firmware
Search vendor "Mercusys" for product "Mercury X18g Firmware"
1.0.5
Search vendor "Mercusys" for product "Mercury X18g Firmware" and version "1.0.5"
-
Affected
in Mercusys
Search vendor "Mercusys"
Mercury X18g
Search vendor "Mercusys" for product "Mercury X18g"
--
Safe