CVE-2021-27825

HIGH

Mercury MAC1200R Firmware - Unauthenticated Path Traversal via web-static/ URL

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-27825. PoCs published by Chunlei Shang_ Jiangsu Public Information Co._ Ltd..

AI-analyzed exploit summary This is a writeup describing a directory traversal vulnerability in MAC 1200R devices. It provides instructions for exploiting the vulnerability but does not include actual exploit code.

Description

A directory traversal vulnerability on Mercury MAC1200R devices allows attackers to read arbitrary files via a web-static/ URL.

Exploits (1)

exploitdb WRITEUP
by Chunlei Shang_ Jiangsu Public Information Co._ Ltd. · textwebappshardware
https://www.exploit-db.com/exploits/51315

This is a writeup describing a directory traversal vulnerability in MAC 1200R devices. It provides instructions for exploiting the vulnerability but does not include actual exploit code.

Classification
Writeup 90%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Mercury MAC 1200R, all versions
No auth needed
Prerequisites: Access to the target device's web interface on port 8888
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0780
EPSS Percentile 93.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (1)
mercurycom/mac1200r_firmware
Published May 29, 2023
Tracked Since Feb 18, 2026