CVE-2021-23241

MEDIUM NUCLEI

MERCUSYS Mercury X18G 1.0.5 - Path Traversal

Title source: llm

Description

MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ in conjunction with a loginLess or login.htm URI (for authentication bypass) to the web server, as demonstrated by the /loginLess/../../etc/passwd URI.

Nuclei Templates (1)

MERCUSYS Mercury X18G 1.0.5 Router - Local File Inclusion

MEDIUMby daffainfo

References (3)

[Exploit, Third Party Advisory] https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Web%20Server%20Directory%20Traversal.md

[Product, Vendor Advisory] https://www.mercurycom.com.cn/product-521-1.html

[Vendor Advisory] https://www.mercusys.com/en/

Scores

CVSS v3 5.3

EPSS 0.5789

EPSS Percentile 98.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE

CWE-22

Status published

Products (1)

mercusys/mercury_x18g_firmware 1.0.5

Published Jan 07, 2021

Tracked Since Feb 18, 2026