CVE-2021-42071

9.8 criticalEPSS 70%

Critical (9.8) in visual-tools dvr vx16 firmware. EPSS 70% chance of exploitation in the next 30 days.

In Visual Tools DVR VX16 4.2.28.0, an unauthenticated attacker can achieve remote command execution via shell metacharacters in the cgi-bin/slogin/login.py User-Agent HTTP header.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 70% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2021-10-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

visual-tools:dvr_vx16_firmware

References

https://visual-tools.com/
https://www.exploit-db.com/exploits/50098
https://www.swascan.com/security-advisory-visual-tools-dvr-cve-2021-42071/
https://visual-tools.com/
https://www.exploit-db.com/exploits/50098

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