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CVE-2019-12725 is a remote command execution vulnerability affecting Zeroshell 3.9.0. The flaw is caused by improper handling of certain HTTP parameters in the web application, allowing operating system command injection. An unauthenticated remote attacker can supply crafted input to vulnerable parameters and cause the underlying system to execute arbitrary OS commands.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (2 hidden).
This repository is a collection of Python-based exploit and POC scripts targeting a variety of web applications, firewalls, and network devices. The scripts are organized by target product and vulnerability, with each directory containing one or more scripts for a specific exploit. The main capabilities include: - Arbitrary file read exploits (e.g., Apache Druid CVE-2021-36749, Apache Solr <=8.8.1, Landray OA, Kyan, etc.) - Remote command execution (RCE) exploits (e.g., Confluence CVE-2021-26084, TamronOS-IPTV, ZeroShell CVE-2019-12725, phpStudy backdoor, etc.) - Arbitrary file upload (ShowDoc CNVD-2020-26585) - Credential extraction and information disclosure (Wayos firewall, Ruijie EG Gateway, Kyan, Landray OA) - Unauthorized admin access (YCXF admin system) Each script typically supports both single-target and batch scanning modes, with options for verification and exploitation. The scripts use HTTP(S) requests to interact with vulnerable endpoints, often leveraging unauthenticated or weakly authenticated interfaces. The payloads include file read requests, command injection, and webshell uploads. The repository is operational in maturity, providing working exploits and not just detection scripts. All scripts are written in Python and are intended for use in authorized security testing.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability affecting Zeroshell 3.9.0 that Necro is still exploiting.
Unknown (content lists this CVE as newly exploited but does not describe the affected product or vulnerability type).
Vulnerability newly added to the actor’s exploitation portfolio (details not specified in the content).
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.