TI-2021-18262 Aliases CVE-2021-41506 GHSA-6q5r-54qp-4cp9

Xiaongmai AHB7008T-MH-V2, AHB7804R-ELS, AHB7804R-MH-V2, AHB7808R-MS-V2, AHB7808R-MS…

MEDIUM 47CWE-287Published 2022-06-30 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.02328 83rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 16

CPE	Versions	Role	Vendor
cpe:2.3:o:xiongmaitech:ahb7008t-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170420:::::::*	4.02.r11.7601.nat.onvif.20170420	Vulnerable	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7008t-mh-v2:-:::::::*	not specified by NVD	Running on	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7804r-els_firmware:4.02.r11.nat.onvif.20160422:::::::*	4.02.r11.nat.onvif.20160422	Vulnerable	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7804r-els:-:::::::*	not specified by NVD	Running on	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7804r-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170424:::::::*	4.02.r11.7601.nat.onvif.20170424	Vulnerable	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7804r-mh-v2:-:::::::*	not specified by NVD	Running on	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7808r-ms-v2_firmware:4.02.r11.nat.onvif.20170327:::::::*	4.02.r11.nat.onvif.20170327	Vulnerable	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7808r-ms-v2:-:::::::*	not specified by NVD	Running on	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7808r-ms_firmware:4.02.r11.nat.onvif.20160328:::::::*	4.02.r11.nat.onvif.20160328	Vulnerable	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7808r-ms:-:::::::*	not specified by NVD	Running on	Hangzhou Xiongmai Technology Co., Ltd

cpe:2.3:o:xiongmaitech:ahb7008t-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170420:*:*:*:*:*:*:* Versions 4.02.r11.7601.nat.onvif.20170420 Vulnerable ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7008t-mh-v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7804r-els_firmware:4.02.r11.nat.onvif.20160422:*:*:*:*:*:*:* Versions 4.02.r11.nat.onvif.20160422 Vulnerable ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7804r-els:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7804r-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170424:*:*:*:*:*:*:* Versions 4.02.r11.7601.nat.onvif.20170424 Vulnerable ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7804r-mh-v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7808r-ms-v2_firmware:4.02.r11.nat.onvif.20170327:*:*:*:*:*:*:* Versions 4.02.r11.nat.onvif.20170327 Vulnerable ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7808r-ms-v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7808r-ms_firmware:4.02.r11.nat.onvif.20160328:*:*:*:*:*:*:* Versions 4.02.r11.nat.onvif.20160328 Vulnerable ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7808r-ms:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hangzhou Xiongmai Technology Co., Ltd

Show 6 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:xiongmaitech:ahb7808t-ms-v2_firmware:4.02.r11.nat.onvifc.20161205:::::::*	4.02.r11.nat.onvifc.20161205	Vulnerable	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7808t-ms-v2:-:::::::*	not specified by NVD	Running on	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7804r-lms_firmware:4.02.r11.nat.20170301:::::::*	4.02.r11.nat.20170301	Vulnerable	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7804r-lms:-:::::::*	not specified by NVD	Running on	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:hi3518e_50h10l_s39_firmware:4.02.r12.nat.onvifs.20170727:::::::*	4.02.r12.nat.onvifs.20170727	Vulnerable	Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:hi3518e_50h10l_s39:-:::::::*	not specified by NVD	Running on	Hangzhou Xiongmai Technology Co., Ltd

cpe:2.3:o:xiongmaitech:ahb7808t-ms-v2_firmware:4.02.r11.nat.onvifc.20161205:*:*:*:*:*:*:* Versions 4.02.r11.nat.onvifc.20161205 Vulnerable ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7808t-ms-v2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:ahb7804r-lms_firmware:4.02.r11.nat.20170301:*:*:*:*:*:*:* Versions 4.02.r11.nat.20170301 Vulnerable ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:ahb7804r-lms:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:o:xiongmaitech:hi3518e_50h10l_s39_firmware:4.02.r12.nat.onvifs.20170727:*:*:*:*:*:*:* Versions 4.02.r12.nat.onvifs.20170727 Vulnerable ·Hangzhou Xiongmai Technology Co., Ltd
cpe:2.3:h:xiongmaitech:hi3518e_50h10l_s39:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hangzhou Xiongmai Technology Co., Ltd

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-41506
2026-10-03 Alias added: GHSA-6q5r-54qp-4cp9

References

Exploit 1

https://habr.com/en/post/486856/

Advisory 3

TI-2017-12293 Memory corruption in Xiongmai Technology IP Cameras and DVRs CVSS 3.0CRITICAL 9.8
TI-2020-14315 Xiongmai Technology Co devices AHB7008T-MH-V2, AHB7804R-ELS, AHB7804R-MH-V2… CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences