SysGauge Pro 4.6.12 Vulnerability Allows Local Code Execution

SysGauge Pro 4.6.12 Vulnerability Allows Local Code Execution

The National Vulnerability Database reports CVE-2018-25307, a high-severity local buffer overflow vulnerability in SysGauge Pro 4.6.12. This flaw exists within the application’s registration function, specifically when processing the unlock key.

Attackers can exploit this by crafting a malicious unlock key during registration. This crafted input overwrites the structured exception handler, enabling the injection and execution of arbitrary shellcode with the privileges of the SysGauge Pro application. While requiring local access, the impact is significant, leading to full compromise of the affected system.

This vulnerability, with a CVSSv3.1 score of 8.4 (HIGH), highlights the persistent danger of insecure input handling, even in older software versions. Defenders must understand that ‘local’ access doesn’t always mean a low threat; it often means an attacker has already gained a foothold and is looking to escalate privileges or move laterally. This is a clear path to achieving that.

What This Means For You

  • If your organization uses SysGauge Pro, particularly version 4.6.12 or older, you need to assess its deployment immediately. This vulnerability allows for local privilege escalation and arbitrary code execution, which is critical for an attacker who has already breached your perimeter. Prioritize patching or migrating away from this version to mitigate the risk.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

critical T1068 Privilege Escalation

CVE-2018-25307 - SysGauge Pro Local Code Execution via Crafted Unlock Key

Sigma YAML — free preview
title: CVE-2018-25307 - SysGauge Pro Local Code Execution via Crafted Unlock Key
id: scw-2026-04-29-ai-1
status: experimental
level: critical
description: |
  Detects the execution of SysGaugePro.exe with a command line argument indicating registration ('regserver'), which is a precursor to the vulnerable Register function. This rule aims to catch the initial attempt to exploit the buffer overflow in SysGauge Pro 4.6.12 by supplying a crafted unlock key.
author: SCW Feed Engine (AI-generated)
date: 2026-04-29
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2018-25307/
tags:
  - attack.privilege_escalation
  - attack.t1068
logsource:
    category: process_creation
detection:
  selection:
      Image|endswith:
          - 'SysGaugePro.exe'
      CommandLine|contains:
          - 'regserver'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2018-25307 Buffer Overflow SysGauge Pro 4.6.12
CVE-2018-25307 Buffer Overflow Vulnerable function: Register
CVE-2018-25307 RCE Attack vector: Unlock Key field during registration
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 29, 2026 at 23:16 UTC

This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.

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