CVE-2025-14184: SGAI Space1 NAS Command Injection RCE Flaw

CVE-2025-14184 Overview

CVE-2025-14184 is a command injection vulnerability in SGAI Space1 NAS N1211DS network-attached storage devices running firmware up to version 1.0.915. The flaw resides in the RENAME_FILE, OPERATE_FILE, and NGNIX_UPLOAD functions of the /cgi-bin/JSONAPI endpoint within the gsaiagent component. Authenticated remote attackers can inject operating system commands through crafted API requests. The exploit has been publicly disclosed. According to the CVE record, the vendor was contacted but did not respond to the disclosure, meaning no official patch is currently available.

Critical Impact
Authenticated remote attackers can execute arbitrary operating system commands on affected NAS devices, potentially leading to data exposure and unauthorized modification of stored files.

Affected Products

SGAI Space1 NAS N1211DS firmware versions up to and including 1.0.915
gsaiagent component exposing /cgi-bin/JSONAPI
Deployments where the JSONAPI endpoint is reachable over the network

Discovery Timeline

2025-12-07 - CVE-2025-14184 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-14184

Vulnerability Analysis

The vulnerability affects the gsaiagent component that services requests to /cgi-bin/JSONAPI on the Space1 NAS N1211DS. Three JSONAPI actions are impacted: RENAME_FILE, OPERATE_FILE, and NGNIX_UPLOAD. Each handler passes attacker-influenced parameters into shell command execution without adequate sanitization. This allows an authenticated user to break out of the intended argument context and append arbitrary operating system commands. The issue is classified under CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component.

Root Cause

The root cause is unsanitized user input in file-handling JSONAPI actions. Parameters such as filenames, paths, or upload metadata are concatenated into shell invocations executed by the gsaiagent daemon. Metacharacters including ;, |, backticks, and $() are not neutralized before command construction. This class of failure aligns with CWE-74 injection weaknesses.

Attack Vector

An attacker sends a crafted POST request to /cgi-bin/JSONAPI invoking the RENAME_FILE, OPERATE_FILE, or NGNIX_UPLOAD action with a parameter containing shell metacharacters. The gsaiagent process interprets the injected payload as additional shell commands and executes them with the privileges of the service account. Attack complexity is low and no user interaction is required, but valid low-privilege credentials are needed. Public disclosure of the technique increases the risk of opportunistic exploitation.

No verified proof-of-concept code is included here. Technical details are referenced in the VulDB entry 334604 and associated submissions.

Detection Methods for CVE-2025-14184

Indicators of Compromise

Unexpected child processes spawned by the gsaiagent daemon, particularly shell interpreters such as /bin/sh or /bin/bash
Outbound network connections initiated by the NAS to unfamiliar hosts shortly after JSONAPI requests
New or modified files in system directories that fall outside normal user share paths
Local accounts, cron entries, or SSH keys added without an administrative change record

Detection Strategies

Inspect web server and gsaiagent logs for POST requests to /cgi-bin/JSONAPI containing the RENAME_FILE, OPERATE_FILE, or NGNIX_UPLOAD actions with shell metacharacters (;, |, `, $()
Alert on process lineage where gsaiagent is the parent of a shell or network utility such as curl, wget, or nc
Baseline JSONAPI request patterns and flag anomalous parameter lengths or non-ASCII payloads

Monitoring Recommendations

Forward NAS access logs, authentication events, and process telemetry to a centralized analytics platform for correlation
Monitor administrative account activity on the NAS for unusual source addresses or off-hours access
Track filesystem integrity for system binaries and startup scripts on the appliance

How to Mitigate CVE-2025-14184

Immediate Actions Required

Restrict network access to the NAS management interface and /cgi-bin/JSONAPI endpoint to trusted management VLANs only
Rotate all local NAS credentials and enforce strong, unique passwords for every account with API access
Audit existing NAS accounts, remove unused users, and disable default or shared credentials
Review recent logs for evidence of exploitation prior to applying compensating controls

Patch Information

According to the CVE record, the vendor was contacted about this disclosure but did not respond. No official patch has been referenced in the published data. Organizations should track vendor advisories from SGAI for a firmware release addressing versions after 1.0.915 and apply it as soon as it becomes available. Consult the VulDB reference for updates.

Workarounds

Place the NAS behind a firewall or reverse proxy that blocks external access to /cgi-bin/JSONAPI
Disable remote management features and limit administrative access to a dedicated jump host
Segment the NAS onto an isolated storage network to limit lateral movement if the device is compromised
Consider decommissioning or replacing the appliance if it must remain internet-exposed and no vendor fix is forthcoming

bash

# Configuration example: restrict JSONAPI access with iptables
iptables -A INPUT -p tcp --dport 80 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -s 10.10.20.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
iptables -A INPUT -p tcp --dport 443 -j DROP