CVE-2021-41506 Hardcoded credentials in n/a

Critical 9.8 Published 30 Jun 2022 Updated 4 Aug 2024

Static root credentials in DVR/NVR/IP camera firmware binaries allow attackers to gain unauthorized root access and execute arbitrary code.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-41506?

CVE-2021-41506 is a critical vulnerability in n/a, published on 30 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-287

Which versions are affected by CVE-2021-41506?

It affects 8 products.

Products include Xiongmaitech Ahb7008t-Mh-V2 Firmware, Xiongmaitech Ahb7804r-Els Firmware, Xiongmaitech Ahb7804r-Lms Firmware, Xiongmaitech Ahb7804r-Mh-V2 Firmware, Xiongmaitech Ahb7808r-Ms-V2 Firmware, Xiongmaitech Ahb7808r-Ms Firmware and 2 more.

How do I fix CVE-2021-41506?

No fix has been published for CVE-2021-41506 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-41506 being exploited?

There is no known exploitation of CVE-2021-41506 in the wild and no public exploit code.

CVE-2020-22253 Auth bypass in n/a Critical 9.8

Sources

Also known as GHSA-6q5r-54qp-4cp9.