CVE-2025-65076: Wavestore VMS Path Traversal Vulnerability

CVE-2025-65076 Overview

CVE-2025-65076 is a path traversal vulnerability in the Wavestore Video Management Software Server. The WaveView client allows authenticated users to run a restricted set of predefined commands and scripts on the connected WaveStore Server. A high-privileged attacker can abuse path traversal in the ilog script to read or delete arbitrary files on the server. Because the ilog script runs with root privileges, the impact extends to any file on the underlying operating system. Wavestore addressed the issue in version 6.44.44. The flaw is tracked under CWE-22 (Improper Limitation of a Pathname to a Restricted Directory).

Critical Impact
An authenticated attacker with high privileges can read or delete any file on the WaveStore Server, including system-critical files, due to root execution context.

Affected Products

Wavestore Video Management Software Server versions prior to 6.44.44
WaveView client components interacting with the vulnerable ilog script
Deployments running the WaveStore Server on Linux hosts where predefined scripts execute as root

Discovery Timeline

2025-12-16 - CVE-2025-65076 published to the National Vulnerability Database (NVD)
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-65076

Vulnerability Analysis

The WaveStore Server exposes a limited set of predefined commands and scripts that WaveView clients can invoke remotely. One of these, the ilog script, accepts a filename argument that is passed to filesystem operations without proper validation. An attacker can supply traversal sequences such as ../ to escape the intended directory and reference arbitrary paths. Because ilog executes with root privileges, the script can read sensitive system files like /etc/shadow or delete files required for system operation. The result is a confidentiality and integrity failure across the entire host, not just the application scope.

Root Cause

The root cause is improper input sanitization in the ilog script argument handling. The script does not canonicalize paths or constrain file operations to an allow-listed directory. Combined with the elevated privilege context, this classic CWE-22 weakness converts a restricted client command into a primitive for arbitrary file read and arbitrary file delete.

Attack Vector

Exploitation requires network access to the WaveStore Server and valid high-privilege credentials for the WaveView client. An authenticated attacker invokes the predefined ilog command through the client interface and supplies a crafted path containing directory traversal sequences. The server executes the script as root and operates on the attacker-chosen file. Full technical details are available in the CERT Polska advisory.

// No verified proof-of-concept code is published.
// The vulnerability is triggered by passing a path containing
// traversal sequences (for example, ../../etc/shadow) as the
// filename argument to the predefined ilog script via WaveView.

Detection Methods for CVE-2025-65076

Indicators of Compromise

Invocations of the ilog script with arguments containing ../, ..\, URL-encoded traversal sequences, or absolute paths outside expected log directories
Unexpected read access or deletion of sensitive files such as /etc/shadow, /etc/passwd, SSH keys, or Wavestore configuration files on the WaveStore Server
WaveView sessions originating from unusual source addresses or outside normal operational hours that execute predefined server-side commands

Detection Strategies

Enable verbose auditing on the WaveStore Server and alert on any execution of ilog or related predefined scripts with non-standard arguments
Deploy Linux audit rules (auditd) to monitor open, unlink, and unlinkat syscalls executed by the WaveStore service account or root processes spawned from the server binary
Correlate WaveView authentication events with subsequent script execution to identify high-privileged accounts performing abnormal file operations

Monitoring Recommendations

Centralize WaveStore Server logs and shell audit trails into a SIEM for pattern matching on traversal sequences
Baseline normal ilog usage, including typical filenames and frequencies, so that outliers surface quickly
Monitor filesystem integrity on critical paths (/etc, /var/lib/wavestore, /root) and raise alerts on unexpected deletions

How to Mitigate CVE-2025-65076

Immediate Actions Required

Upgrade all WaveStore Server installations to version 6.44.44 or later, which contains the vendor fix
Audit WaveView user accounts and remove or demote high-privileged accounts that do not require administrative access
Rotate credentials for any WaveView administrative accounts suspected of exposure, especially where shared or default passwords are in use
Review historical WaveStore and system logs for prior invocations of ilog with suspicious arguments

Patch Information

Wavestore resolved CVE-2025-65076 in Video Management Software Server version 6.44.44. Administrators should apply this release following the vendor upgrade procedure. See the CERT Polska advisory and the Wavestore product page for release information.

Workarounds

Restrict network reachability of the WaveStore Server management interface to trusted administrative subnets using firewall rules
Enforce multi-factor authentication and strict role-based access control for all WaveView accounts, particularly high-privilege roles
Where upgrade is not immediately possible, disable or constrain the ilog predefined script through server configuration until the patch can be applied

bash

# Example: restrict WaveStore Server management port to a trusted admin subnet
# Replace 10.10.0.0/24 with your administrative network and 8080 with the
# actual WaveStore management port in your deployment.
iptables -A INPUT -p tcp --dport 8080 -s 10.10.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 8080 -j DROP