CVE:CVE-2021-41506
CNNVD:CNNVD-202206-2869
Xiongmai AHB7008T-MH-V2等都是中国雄迈科技（Xiongmai）公司的一款硬盘录像机。
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存在安全漏洞，该漏洞源于容易受macGuarder和dvrHelper二进制文件中的后门影响。
solution:Upgrade xiongmaitech ahb7008t-mh-v2_firmware to a higher version than 4.02.r11.7601.nat.onvif.20170420,and avoid the version 4.02.r11.7601.nat.onvif.20170420; Upgrade xiongmaitech ahb7804r-els_firmware to a higher version than 4.02.r11.nat.onvif.20160422,and avoid the version 4.02.r11.nat.onvif.20160422; Upgrade xiongmaitech ahb7804r-mh-v2_firmware to a higher version than 4.02.r11.7601.nat.onvif.20170424,and avoid the version 4.02.r11.7601.nat.onvif.20170424; Upgrade xiongmaitech ahb7808r-ms-v2_firmware to a higher version than 4.02.r11.nat.onvif.20170327,and avoid the version 4.02.r11.nat.onvif.20170327; Upgrade xiongmaitech ahb7808r-ms_firmware to a higher version than 4.02.r11.nat.onvif.20160328,and avoid the version 4.02.r11.nat.onvif.20160328; Upgrade xiongmaitech ahb7808t-ms-v2_firmware to a higher version than 4.02.r11.nat.onvifc.20161205,and avoid the version 4.02.r11.nat.onvifc.20161205; Upgrade xiongmaitech ahb7804r-lms_firmware to a higher version than 4.02.r11.nat.20170301,and avoid the version 4.02.r11.nat.20170301; Upgrade xiongmaitech hi3518e_50h10l_s39_firmware to a higher version than 4.02.r12.nat.onvifs.20170727,and avoid the version 4.02.r12.nat.onvifs.20170727