CVE-2021-41506

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published: Jun 30, 2022
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-415119.8The username and password field of login in Lodging Reservation Management System V1 can give access to any user by using SQL injection to b CVE-2021-415247.5While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to CVE-2021-415255.5An issue related to modification of otherwise restricted files through a locally authenticated attacker exists in FlexNet inventory agent an CVE-2021-415267.8A vulnerability has been reported in the windows installer (MSI) built with InstallScript custom action. This vulnerability may allow privil CVE-2021-415272.3An error related to the 2-factor authorization (2FA) on the RISC Platform prior to the saas-2021-12-29 release can potentially be exploited CVE-2021-415285.3An error when handling authorization related to the import / export interfaces on the RISC Platform prior to the saas-2021-12-29 release can CVE-2021-415307.5Forcepoint NGFW Engine versions 6.5.11 and earlier, 6.8.6 and earlier, and 6.10.0 are vulnerable to TCP reflected amplification vulnerabilit CVE-2021-415317.5NLnet Labs Routinator prior to 0.10.0 produces invalid RTR payload if an RPKI CA uses too large values in the max-length parameter in a ROA.CVE-2021-415325.3In Apache Ozone before 1.2.0, Recon HTTP endpoints provide access to OM, SCM and Datanode metadata. Due to a bug, any unauthenticated user c CVE-2021-415333.3A vulnerability has been identified in NX 1980 Series (All versions < V1984), Solid Edge SE2021 (All versions < SE2021MP8). The affected app CVE-2021-415343.3A vulnerability has been identified in NX 1980 Series (All versions < V1984), Solid Edge SE2021 (All versions < SE2021MP8). The affected app CVE-2021-415357.8A vulnerability has been identified in NX 1953 Series (All versions < V1973.3700), NX 1980 Series (All versions < V1988), Solid Edge SE2021