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Description

An unauthenticated command injection vulnerability exists in AVTECH DVR devices via Search.cgi?action=cgi_query. The use of wget without input sanitization allows attackers to inject shell commands through the username or queryb64str parameters, executing commands as root. Exploitation evidence was observed by the Shadowserver Foundation on 2025-01-04 UTC.

PUBLISHED Reserved 2025-04-15 | Published 2025-07-01 | Updated 2026-04-07 | Assigner VulnCheck




CRITICAL: 10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Problem types

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

Default status
unaffected

1008-1002-1005-1000
affected

1009-1003-1006-1001
affected

1009Y-1003Y-1006Y-1001Y
affected

1010-1004-1007-1001
affected

1011-1005-1008-1002
affected

1014-1005-1009-1002
affected

1015-1006-1010-1003
affected

1016-1007-1011-1003
affected

1017-1008-1012-1002
affected

1017Y-1008Y-1012Y-1002Y
affected

1018-1008-1012-1004
affected

1019-1009-1013-1003
affected

1019c-1012c-1014c-1001c-FFFF
affected

1022-1014-1016-1002-FFFF
affected

1022Y-1014Y-1016Y-1002Y-FFFF
affected

1023-1014-1017-1002-FFFF
affected

Credits

Gergely Eberhardt (SEARCH-LAB.hu) finder

References

www.exploit-db.com/exploits/40500 exploit

avtech.com/ product

web.archive.org/...6-AVTech-devices-multiple-vulnerabilities third-party-advisory technical-description

web.archive.org/...1029201749/https://github.com/ebux/AVTECH exploit

vulncheck.com/...ries/avtech-ipcamera-nvr-dvr-mulitple-vulns third-party-advisory

cve.org (CVE-2025-34054)

nvd.nist.gov (CVE-2025-34054)

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