CVE-2021-41506

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 68%
VendorProductVersion
xiongmaitechahb7008t-mh-v2_firmware
4.02.r11.7601.nat.onvif.20170420:r11.7601
xiongmaitechahb7804r-els_firmware
4.02.r11.nat.onvif.20160422:r11.nat
xiongmaitechahb7804r-mh-v2_firmware
4.02.r11.7601.nat.onvif.20170424:r11.7601
xiongmaitechahb7808r-ms-v2_firmware
4.02.r11.nat.onvif.20170327:r11.nat
xiongmaitechahb7808r-ms_firmware
4.02.r11.nat.onvif.20160328:r11.nat
xiongmaitechahb7808t-ms-v2_firmware
4.02.r11.nat.onvifc.20161205:r11.nat
xiongmaitechahb7804r-lms_firmware
4.02.r11.nat.20170301:r11.nat
xiongmaitechhi3518e_50h10l_s39_firmware
4.02.r12.nat.onvifs.20170727:r12.nat
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
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