CVE-2021-41506 describes a critical backdoor vulnerability affecting Xiongmai DVR/NVR/IP camera firmware, specifically within the macGuarder and dvrHelper binaries, due to hardcoded root account credentials. This allows unauthenticated remote attackers to gain full control over affected devices, leading to complete compromise of confidentiality, integrity, and availability. While rated with a CVSS score of 9.8 (Critical) and a FAUCET Risk Score of 80/100, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.02.r11.7601.nat.onvif.20170420CPE matchmatch criteria | cpe:2.3:o:xiongmaitech:ahb7008t-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170420:*:*:*:*:*:*:* | ||
4.02.r11.nat.onvif.20160422CPE matchmatch criteria | cpe:2.3:o:xiongmaitech:ahb7804r-els_firmware:4.02.r11.nat.onvif.20160422:*:*:*:*:*:*:* | ||
4.02.r11.7601.nat.onvif.20170424CPE matchmatch criteria | cpe:2.3:o:xiongmaitech:ahb7804r-mh-v2_firmware:4.02.r11.7601.nat.onvif.20170424:*:*:*:*:*:*:* | ||
4.02.r11.nat.onvif.20170327CPE matchmatch criteria | cpe:2.3:o:xiongmaitech:ahb7808r-ms-v2_firmware:4.02.r11.nat.onvif.20170327:*:*:*:*:*:*:* | ||
4.02.r11.nat.onvif.20160328CPE matchmatch criteria | cpe:2.3:o:xiongmaitech:ahb7808r-ms_firmware:4.02.r11.nat.onvif.20160328:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.