CVE-2026-34909CRITICAL· 10.0MITRENVD대응게시일: 2026. 05. 22.수정일: 2026. 07. 23.CNA: support@hackerone.comAnalyzed

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the u

Path-Traversal

위협 신호 · CVSS · EPSS · KEV

즉시 패치· 실측 악용 확인 · KEV 등재

CVSS

10.0critical

이론적 심각도 점수

EPSS

62.8%상위 0.9%

30일 내 악용 확률 예측

KEV

등재됨

등재일 2026. 06. 23.

패치 기한 2026. 06. 26.

권장 대응 기한3일 이내+ 침해 포렌식CISA SSVC 기준

즉시 패치 + 침해 여부 포렌식 분석

KEV 악용자동화 가능완전 장악외부 노출· KEV 등재 · 자동화 가능 · 완전 장악 · 외부 노출

CVSS 벡터 · 메트릭

악용 경로

공격 벡터네트워크

공격 복잡도낮음

필요 권한불필요

사용자 상호작용불필요

범위변경

영향

기밀성 영향높음

무결성 영향높음

가용성 영향높음

버전별 점수

CVSS 3.110.0CRITICAL· 악용성 3.9· 영향도 6

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

약점 (CWE)

CWE-22
경로 탐색(Path Traversal) — '../' 등으로 의도치 않은 파일 경로에 접근.

상세 설명

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account.

AI 심층 분석

공격 시나리오 · 재현 가능한 PoC 페이로드 · 즉시 적용 가능한 차단 패치를 한 번에 받아 보세요. 보안 운영팀이 그대로 점검·티켓팅에 쓸 수 있는 형태로 정리해 드립니다.

영향받는 제품·버전

ui unifi_os_server< 5.0.8
other
ui unifi_cloud_gateway_industrial_firmware< 5.1.12
other
ui unifi_cloud_gateway_industrial
other
ui unifi_dream_machine_firmware< 5.1.12
other
ui unifi_dream_machine
other
ui unifi_dream_machine_pro_firmware< 5.1.12
other
ui unifi_dream_machine_pro
other
ui unifi_dream_machine_special_edition_firmware< 5.1.12
other
ui unifi_dream_machine_special_edition
other
ui unifi_dream_machine_pro_max_firmware< 5.1.12
other
ui unifi_dream_machine_pro_max
other
ui enterprise_fortress_gateway_firmware< 5.1.12
other
ui enterprise_fortress_gateway
other
ui unifi_dream_wall_firmware< 5.1.12
other
ui unifi_dream_wall
other
ui unifi_dream_router_firmware< 5.1.12
other
ui unifi_dream_router
other
ui unifi_dream_router_7_firmware< 5.1.12
other
ui unifi_dream_router_7
other
ui unifi_express_7_firmware< 5.1.12
other
ui unifi_express_7
other
ui unifi_network_video_recorder_firmware< 5.1.12
other
ui unifi_network_video_recorder
other
ui unifi_network_video_recorder_pro_firmware< 5.1.12
other
ui unifi_network_video_recorder_pro
other
ui unifi_network_video_recorder_instant_firmware< 5.1.12
other
ui unifi_network_video_recorder_instant
other
ui enterprise_network_video_recorder_firmware< 5.1.12
other
ui enterprise_network_video_recorder
other
ui unifi_cloud_gateway_ultra_firmware< 5.1.12
other
ui unifi_cloud_gateway_ultra
other
ui unifi_cloud_gateway_max_firmware< 5.1.12
other
ui unifi_cloud_gateway_max
other
ui unifi_cloud_gateway_fiber_firmware< 5.1.12
other
ui unifi_cloud_gateway_fiber
other
ui unifi_dream_router_5g_max_firmware< 5.1.12
other
ui unifi_dream_router_5g_max
other
ui enterprise_network_video_recorder_core_firmware< 5.1.12
other
ui enterprise_network_video_recorder_core
other
ui unifi_cloud_key_plus_firmware< 5.1.12
other
ui unifi_cloud_key_plus
other
ui unifi_cloudkey_firmware< 5.1.12
other
ui unifi_cloudkey
other
ui unifi_cloudkey_enterprise_firmware< 5.1.12
other
ui unifi_cloudkey_enterprise
other
ui unifi_network_video_recorder_g2_firmware< 5.1.12
other
ui unifi_network_video_recorder_g2
other
ui unifi_network_video_recorder_g2_pro_firmware< 5.1.12
other
ui unifi_network_video_recorder_g2_pro
other
ui unifi_dream_machine_beast_firmware< 5.1.11
other
ui unifi_dream_machine_beast
other
ui unas_2_firmware< 5.1.10
other
ui unas_2
other
ui unas_4_firmware< 5.1.10
other
ui unas_4
other
ui unas_pro_firmware< 5.1.10
other
ui unas_pro
other
ui unas_pro_4_firmware< 5.1.10
other
ui unas_pro_4
other
ui unas_pro_8_firmware< 5.1.10
other
ui unas_pro_8
other
ui unifi_express_firmware< 4.0.14
other
ui unifi_express
other

영향받는 구성 (CPE) 60

ui unifi_os_server< 5.0.8cpe:2.3:a:ui:unifi_os_server:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_industrial_firmware< 5.1.12cpe:2.3:o:ui:unifi_cloud_gateway_industrial_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_industrialcpe:2.3:h:ui:unifi_cloud_gateway_industrial:-:*:*:*:*:*:*:*
ui unifi_dream_machine_firmware< 5.1.12cpe:2.3:o:ui:unifi_dream_machine_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machinecpe:2.3:h:ui:unifi_dream_machine:-:*:*:*:*:*:*:*
ui unifi_dream_machine_pro_firmware< 5.1.12cpe:2.3:o:ui:unifi_dream_machine_pro_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_procpe:2.3:h:ui:unifi_dream_machine_pro:-:*:*:*:*:*:*:*
ui unifi_dream_machine_special_edition_firmware< 5.1.12cpe:2.3:o:ui:unifi_dream_machine_special_edition_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_special_editioncpe:2.3:h:ui:unifi_dream_machine_special_edition:-:*:*:*:*:*:*:*
ui unifi_dream_machine_pro_max_firmware< 5.1.12cpe:2.3:o:ui:unifi_dream_machine_pro_max_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_pro_maxcpe:2.3:h:ui:unifi_dream_machine_pro_max:-:*:*:*:*:*:*:*
ui enterprise_fortress_gateway_firmware< 5.1.12cpe:2.3:o:ui:enterprise_fortress_gateway_firmware:*:*:*:*:*:*:*:*
ui enterprise_fortress_gatewaycpe:2.3:h:ui:enterprise_fortress_gateway:-:*:*:*:*:*:*:*
ui unifi_dream_wall_firmware< 5.1.12cpe:2.3:o:ui:unifi_dream_wall_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_wallcpe:2.3:h:ui:unifi_dream_wall:-:*:*:*:*:*:*:*
ui unifi_dream_router_firmware< 5.1.12cpe:2.3:o:ui:unifi_dream_router_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_routercpe:2.3:h:ui:unifi_dream_router:-:*:*:*:*:*:*:*
ui unifi_dream_router_7_firmware< 5.1.12cpe:2.3:o:ui:unifi_dream_router_7_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_router_7cpe:2.3:h:ui:unifi_dream_router_7:-:*:*:*:*:*:*:*
ui unifi_express_7_firmware< 5.1.12cpe:2.3:o:ui:unifi_express_7_firmware:*:*:*:*:*:*:*:*
ui unifi_express_7cpe:2.3:h:ui:unifi_express_7:-:*:*:*:*:*:*:*
ui unifi_network_video_recorder_firmware< 5.1.12cpe:2.3:o:ui:unifi_network_video_recorder_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recordercpe:2.3:h:ui:unifi_network_video_recorder:-:*:*:*:*:*:*:*
ui unifi_network_video_recorder_pro_firmware< 5.1.12cpe:2.3:o:ui:unifi_network_video_recorder_pro_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_procpe:2.3:h:ui:unifi_network_video_recorder_pro:-:*:*:*:*:*:*:*
ui unifi_network_video_recorder_instant_firmware< 5.1.12cpe:2.3:o:ui:unifi_network_video_recorder_instant_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_instantcpe:2.3:h:ui:unifi_network_video_recorder_instant:-:*:*:*:*:*:*:*
ui enterprise_network_video_recorder_firmware< 5.1.12cpe:2.3:o:ui:enterprise_network_video_recorder_firmware:*:*:*:*:*:*:*:*
ui enterprise_network_video_recordercpe:2.3:h:ui:enterprise_network_video_recorder:-:*:*:*:*:*:*:*
ui unifi_cloud_gateway_ultra_firmware< 5.1.12cpe:2.3:o:ui:unifi_cloud_gateway_ultra_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_ultracpe:2.3:h:ui:unifi_cloud_gateway_ultra:-:*:*:*:*:*:*:*
ui unifi_cloud_gateway_max_firmware< 5.1.12cpe:2.3:o:ui:unifi_cloud_gateway_max_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_maxcpe:2.3:h:ui:unifi_cloud_gateway_max:-:*:*:*:*:*:*:*
ui unifi_cloud_gateway_fiber_firmware< 5.1.12cpe:2.3:o:ui:unifi_cloud_gateway_fiber_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_gateway_fibercpe:2.3:h:ui:unifi_cloud_gateway_fiber:-:*:*:*:*:*:*:*
ui unifi_dream_router_5g_max_firmware< 5.1.12cpe:2.3:o:ui:unifi_dream_router_5g_max_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_router_5g_maxcpe:2.3:h:ui:unifi_dream_router_5g_max:-:*:*:*:*:*:*:*
ui enterprise_network_video_recorder_core_firmware< 5.1.12cpe:2.3:o:ui:enterprise_network_video_recorder_core_firmware:*:*:*:*:*:*:*:*
ui enterprise_network_video_recorder_corecpe:2.3:h:ui:enterprise_network_video_recorder_core:-:*:*:*:*:*:*:*
ui unifi_cloud_key_plus_firmware< 5.1.12cpe:2.3:o:ui:unifi_cloud_key_plus_firmware:*:*:*:*:*:*:*:*
ui unifi_cloud_key_pluscpe:2.3:h:ui:unifi_cloud_key_plus:-:*:*:*:*:*:*:*
ui unifi_cloudkey_firmware< 5.1.12cpe:2.3:o:ui:unifi_cloudkey_firmware:*:*:*:*:*:*:*:*
ui unifi_cloudkeycpe:2.3:h:ui:unifi_cloudkey:-:*:*:*:*:*:*:*
ui unifi_cloudkey_enterprise_firmware< 5.1.12cpe:2.3:o:ui:unifi_cloudkey_enterprise_firmware:*:*:*:*:*:*:*:*
ui unifi_cloudkey_enterprisecpe:2.3:h:ui:unifi_cloudkey_enterprise:-:*:*:*:*:*:*:*
ui unifi_network_video_recorder_g2_firmware< 5.1.12cpe:2.3:o:ui:unifi_network_video_recorder_g2_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_g2cpe:2.3:h:ui:unifi_network_video_recorder_g2:-:*:*:*:*:*:*:*
ui unifi_network_video_recorder_g2_pro_firmware< 5.1.12cpe:2.3:o:ui:unifi_network_video_recorder_g2_pro_firmware:*:*:*:*:*:*:*:*
ui unifi_network_video_recorder_g2_procpe:2.3:h:ui:unifi_network_video_recorder_g2_pro:-:*:*:*:*:*:*:*
ui unifi_dream_machine_beast_firmware< 5.1.11cpe:2.3:o:ui:unifi_dream_machine_beast_firmware:*:*:*:*:*:*:*:*
ui unifi_dream_machine_beastcpe:2.3:h:ui:unifi_dream_machine_beast:-:*:*:*:*:*:*:*
ui unas_2_firmware< 5.1.10cpe:2.3:o:ui:unas_2_firmware:*:*:*:*:*:*:*:*
ui unas_2cpe:2.3:h:ui:unas_2:-:*:*:*:*:*:*:*
ui unas_4_firmware< 5.1.10cpe:2.3:o:ui:unas_4_firmware:*:*:*:*:*:*:*:*
ui unas_4cpe:2.3:h:ui:unas_4:-:*:*:*:*:*:*:*
ui unas_pro_firmware< 5.1.10cpe:2.3:o:ui:unas_pro_firmware:*:*:*:*:*:*:*:*
ui unas_procpe:2.3:h:ui:unas_pro:-:*:*:*:*:*:*:*
ui unas_pro_4_firmware< 5.1.10cpe:2.3:o:ui:unas_pro_4_firmware:*:*:*:*:*:*:*:*
ui unas_pro_4cpe:2.3:h:ui:unas_pro_4:-:*:*:*:*:*:*:*
ui unas_pro_8_firmware< 5.1.10cpe:2.3:o:ui:unas_pro_8_firmware:*:*:*:*:*:*:*:*

참고 자료 3

https://community.ui.com/releases/Security-Advisory-Bulletin-064-064/84811c09-4cf4-42ab-bd61-cc994445963b
PatchVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34909
US Government Resource
https://www.pwndefend.com/2026/06/09/cve-2026-34910-exploitation-itw-building-a-botnet-mirai/
ExploitThird Party Advisory

링크 내용 불러오는 중…