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CVE-2024-12856 is an operating system command injection vulnerability affecting Four-Faith router models F3x24 and F3x36. The flaw is exposed over HTTP through the apply.cgi interface used for system configuration changes. Available reporting indicates the vulnerable code path is reached when modifying the device system time with submit_type=adjust_sys_time, and that attacker-controlled input in the adj_time_year parameter is incorporated into an OS command without proper neutralization. As a result, an authenticated remote attacker can inject and execute arbitrary shell commands on the device. The issue has been observed in at least firmware version 2.0. Because some affected devices ship with default credentials and those credentials are often left unchanged, real-world exploitation can effectively become unauthenticated remote command execution on internet-exposed systems.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains an exploit for CVE-2024-12856, targeting Four-Faith router models F3x24 and F3x36 (firmware 2.0+). The exploit leverages an OS command injection vulnerability in the router's HTTP interface (apply.cgi) to execute arbitrary commands as an authenticated user. The main script, 'exploit.py', is a Python program that sends a crafted POST request to the router, injecting a payload that establishes a reverse shell to the attacker's machine using netcat. The attacker must provide the router's address, their own listener IP/port, and (optionally) credentials (default admin:admin). The exploit is operational and provides a working reverse shell if the target is vulnerable and accessible. The repository is structured simply, with a README, the exploit script, and a .gitattributes file. No detection or fake code is present.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
17 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A router web-interface vulnerability associated in the content with the /apply.cgi path and botnet probing activity against diagnostic or management endpoints.
A command injection vulnerability affecting Four-Faith routers, referenced as one of several diagnostic-tool-related URLs being scanned.
Four-Faith router vulnerability referenced as used by RondoDox botnet (details truncated in excerpt).
An OS command injection vulnerability in select Four-Faith industrial routers that is reported as actively exploited in the wild.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.