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CVE-2018-25412: Delta Sql File Upload Vulnerability

CVE explainers 2 min read
SR
Security Research Desk Expert reviewed
Threat intelligence · Human-verified · Updated 2026-05-30
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CISOBrief · 30-second brief

CVE-2018-25412 is a critical vulnerability affecting Delta Sql 1.8.2. This flaw allows unauthenticated attackers to upload arbitrary files through docs_upload.php, potentially leading to remote code execution (RCE). Understanding this vulnerability is crucial for securing your systems against potential exploitation.

What this CVE means in practice

The vulnerability in Delta Sql allows attackers to send crafted POST requests to docs_upload.php, which can lead to the upload of malicious files. If these files are stored in a web-accessible location and executed by the server, it poses a significant threat. The implications include:

  • Compromise of the application host
  • Theft of sensitive data
  • Persistence through web shells
  • Potential lateral movement within networks

Given the combination of network exposure, lack of authentication, and public exploit material, this vulnerability demands immediate attention.

AnalystImpact · assess the risk

Affected versions and fix status

The only confirmed affected version is:

Product Confirmed affected version(s) Fixed version
Delta Sql 1.8.2 Unknown / not verified

No verified fixed version has been identified, which complicates patch management efforts. Organizations must assume that any exposed instances of Delta Sql 1.8.2 remain vulnerable until a validated patch is confirmed.

Exploitation status

While public exploit material exists (e.g., Exploit-DB 45685), confirmed exploitation in the wild has not been established. Security teams should prioritize containment even in the absence of confirmed attacks.

Bottom line for defenders

CVE-2018-25412 represents a serious risk for users of Delta Sql 1.8.2. Organizations should not wait for confirmed exploitation evidence to act. Instead, they should restrict or disable the upload endpoint, block script execution in upload paths, and monitor for suspicious activity.

For enhanced security, consider using a VPN service like NordVPN or Surfshark to protect your network. Additionally, ensure your systems are protected with antivirus solutions such as Malwarebytes and manage your credentials securely with 1Password.

ResponderRunbook · act now

Detection and hunting guidance

To detect potential exploitation, focus on monitoring upload requests and the execution of uploaded files. Look for:

  • POST requests to docs_upload.php with multipart/form-data
  • Subsequent GET requests to newly created .php files

Utilize web access logs and server telemetry to identify suspicious activity.

Mitigation and recovery steps

Immediate actions include:

  1. Disable or restrict access to docs_upload.php if the application is still in use.
  2. Prevent execution in the upload directory by configuring the web server to block PHP execution in that location.
  3. Inspect existing uploads for malicious files and take necessary recovery actions.

For detailed mitigation strategies, refer to the CVE-2026-42960 and CVE-2026-38567 articles.

References

Source URL
Project homepage Delta Sql
Exploit listing Exploit-DB 45685

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Last verified: 2026-05-30

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