CVE-2021-41506
Estado: ModificadaCrítica (9.8)—
Xiaongmai AHB7008T-MH-V2, AHB7804R-ELS, AHB7804R-MH-V2, AHB7808R-MS-V2, AHB7808R-MS, AHB7808T-MS-V2, AHB7804R-LMS, HI3518_50H10L_S39 V4.02.R11.7601.Nat.Onvif.20170420, V4.02.R11.Nat.Onvif.20160422, V4.02.R11.7601.Nat.Onvif.20170424, V4.02.R11.Nat.Onvif.20170327, V4.02.R11.Nat.Onvif.20161205, V4.02.R11.Nat.20170301, V4.02.R12.Nat.OnvifS.20170727 is affected by a backdoor in the macGuarder and dvrHelper binaries of DVR/NVR/IP camera firmware due to static root account credentials in the system.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.33%
- Percentil entre todas las CVEs puntuadas: 83
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (8)
Xiongmaitech — Ahb7008t-mh-v2 FirmwareXiongmaitech — Ahb7804r-els FirmwareXiongmaitech — Ahb7804r-lms FirmwareXiongmaitech — Ahb7804r-mh-v2 FirmwareXiongmaitech — Ahb7808r-ms-v2 FirmwareXiongmaitech — Ahb7808r-ms FirmwareXiongmaitech — Ahb7808t-ms-v2 FirmwareXiongmaitech — Hi3518e 50h10l S39 Firmware
CWE
- CWE-287
Referencias
- https://github.com/Snawoot/hisilicon-dvr-telnet
- https://github.com/tothi/hs-dvr-telnet
- https://habr.com/en/post/486856/
- https://www.xiongmaitech.com/en/index.php/news/info/12/68
- https://github.com/Snawoot/hisilicon-dvr-telnet
- https://github.com/tothi/hs-dvr-telnet
- https://habr.com/en/post/486856/
- https://www.xiongmaitech.com/en/index.php/news/info/12/68
JSON original (NVD)
Mostrar
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