{"uuid": "fca2c8ee-d813-4417-b546-d4307c6a7a5e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-43715", "type": "seen", "source": "https://t.me/CyberSecurityExploit/30879", "content": "\ud83d\udd25 Zscaler NSIS Exploits \u2013 LPE Research (GitHub + Blog Analysis)\nActive GitHub PoC + vendor-focused vulnerability research (AmberWolf)\n\n\ud83d\udea8 Zscaler NSIS Uninstaller / Installer LPE Chain\n\ud83c\udfaf Local Privilege Escalation (LPE) via NSIS Abuse\n\n\ud83d\udd17 GitHub Repository\n\u27a1\ufe0f https://github.com/AmberWolfCyber/ZscalerNSISploits\n\n\ud83d\udd17 Technical Blog\n\u27a1\ufe0f https://blog.amberwolf.com/blog/2026/april/next-next-system/\n\n\ud83e\udde0 Overview\nThis research demonstrates multiple Local Privilege Escalation (LPE) vectors in Zscaler-related components by abusing NSIS (Nullsoft Scriptable Install System) installers and uninstallers.\nThe issue arises when privileged installer/uninstaller processes trust user-controlled paths or files, allowing attackers to hijack execution flow and run arbitrary code with elevated privileges.\n\n\ud83d\udd0d Affected Components\n1\ufe0f\u20e3 ZscalerRepairLPE\n\u2022 CVE-2025-43715\n\u2022 CVE-2023-37378\n\u2022 Target: Zscaler Network Adapter (\u2264 4.8)\n\n2\ufe0f\u20e3 ZscalerNpcapLPE\n\u2022 CVE-2025-43715\n\u2022 Target: NPCAP Installer (\u2264 4.7.0.168)\n\n\u2699\ufe0f Exploitation Flow\n\u2022 Trigger NSIS installer or uninstaller process\n\u2022 Leverage elevated execution context (SYSTEM / Administrator)\n\u2022 Abuse insecure file handling or path validation\n\u2022 Execute attacker-controlled payload\n\n\ud83d\udca5 Impact\n\u2022 Local Privilege Escalation \u2192 SYSTEM\n\u2022 Arbitrary code execution\n\u2022 Persistence via installer abuse\n\u2022 Security product compromise\n\n\ud83e\uddea Technical Insight\n\u2022 NSIS-based installers often run with high privileges\n\u2022 Improper validation leads to path hijacking / file planting\n\u2022 Even security-focused software can expose local attack surfaces\n\n\ud83d\udcda Research Value\n\u2022 NSIS exploitation techniques\n\u2022 Endpoint security attack surface analysis\n\u2022 Installer / uninstaller abuse patterns\n\u2022 LPE to full compromise chaining\n\n\u26a0\ufe0f Intelligence Note\nCurrent trend:\n\u2022 Security tools becoming high-value exploitation targets\n\u2022 Increasing research into installer-based privilege escalation\n\u2022 Growth in ZTNA / VPN client vulnerability discovery\n\u2022 GitHub PoC + technical blog releases happening simultaneously\n\n\ud83e\udde0 Cyber Security Exploit Research Community\nMalware Analysis | Reverse Engineering | CVE Research | Threat Intelligence\n\n\u2796\u2796\u2796\u2796\u2796\u2796\u2796\u2796\u2796\u2796\n\n\ud83d\udd10 Cyber Security Exploit Community\nTelegram Group\nhttps://t.me/Cyber_Security_Exploit\n\nTelegram Channel\nhttps://t.me/CyberSecurityExploit\n\nResearch \u2022 Ethical Hacking \u2022 Red Team", "creation_timestamp": "2026-08-15T12:00:04.261104Z"}