cyberleelawat/CVE-2025-40602

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GitHub
Analysisdeepseek-v4-pro:cloud ·

Technical assessment

The artifact is a Nuclei template and a README that together form a vulnerability scanner for CVE-2025-40602. The YAML template sends an HTTP GET request to /login.action, extracts the server version from the Server header, and uses matchers to identify vulnerable SonicWall SMA 1000 appliances based on version strings. It does not contain any exploit code, payloads, or steps to escalate privileges.

Backdoor review

No backdoor observed in reviewed code

The repository contains a Nuclei detection template (CVE-2025-40602.yaml) and a README.md documentation file. The template performs a benign GET request to /login.action, extracts the Server header and SMA version, and matches the response against known vulnerable version strings. No executable payload, obfuscation, or concealed behavior is present. The README provides vulnerability information and usage instructions for the template. No backdoor, trojan, or suspicious behavior is observed.

ClassificationScanner
Model confidence95%
AuthenticationNot required
LanguagesYAMLMarkdown
Target softwareSonicWall Secure Mobile Access (SMA) 1000
Attack typesvulnerability scanning
Evidence & reasoningClassification basis · observed behavior · safety review
Technical evidence

Classification basis and observed behavior

Classification basis

The YAML file is a Nuclei template that performs version-based detection of vulnerable SonicWall SMA 1000 appliances. It sends a single GET request, extracts version information, and compares it against known vulnerable ranges. It does not attempt to exploit the vulnerability, escalate privileges, or execute any payload. The README describes the vulnerability and provides instructions for running the template as a scanner. This is consistent with a scanner classification.

CVE-2025-40602.yaml:1-70README.md:120-128

Requirements

  • Network access to the target SMA 1000 appliance management consoleCVE-2025-40602.yaml:28-30
  • Nuclei scanning engine installedREADME.md:120-128

Observed behavior

  • Sends an HTTP GET request to /login.action on the targetCVE-2025-40602.yaml:28-30
  • Extracts the Server header value from the HTTP responseCVE-2025-40602.yaml:32-38
  • Extracts the SMA version from the Server header using regexCVE-2025-40602.yaml:40-47
  • Checks if the response body contains the AMC login page titleCVE-2025-40602.yaml:49-54
  • Checks if the HTTP status code is 200CVE-2025-40602.yaml:56-58
  • Compares the extracted version against known vulnerable ranges (12.4.3-03093 and earlier, 12.5.0-02002 and earlier)CVE-2025-40602.yaml:60-70
  • Reports a match if all conditions are met, indicating a potentially vulnerable targetCVE-2025-40602.yaml:49-70
Safety-review evidence

Behaviors behind the backdoor verdict

Observables

Nuclei Template
CVE-2025-40602.yamlDetection template that sends a GET request to /login.action and matches response headers and body to identify vulnerable SonicWall SMA 1000 appliances.CVE-2025-40602.yaml:1-70
Http Request
GET {{BaseURL}}/login.actionThe only network request made by the template; a standard detection probe with no malicious payload.CVE-2025-40602.yaml:28-30
Version Check
contains(version, "12.4.3-") && compare_versions(version, "<= 12.4.3-03093")DSL matcher that checks if the extracted SMA version falls within the vulnerable range.CVE-2025-40602.yaml:65
Review boundaries

What the analysis did not establish

  • One file (likely a PNG image) was omitted from the text evidence; its content is unknown but is not required for classification of the provided text files.
  • The evidence does not include any exploit code, payloads, or privilege escalation logic, only detection logic.
  • One file (LICENSE) was omitted from the text content and not reviewed; its metadata indicates it is a standard MIT license file, which is unlikely to contain executable behavior.
  • Binary policy is FLAGGED_METADATA_ONLY_NOT_ANALYZED; no binary files were identified in the artifact.
Model interpretation

This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.

Linked vulnerabilities

1