CVE-2025-34066 json
AVTECH IP camera, DVR, and NVR Devices Unauthenticated Information Disclosure
published 2025-07-01 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19640
- cvss
- 8.3
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
An improper certificate validation vulnerability exists in AVTECH IP cameras, DVRs, and NVRs due to the use of wget with --no-check-certificate in scripts like SyncCloudAccount.sh and SyncPermit.sh. This exposes HTTPS communications to man-in-the-middle (MITM) attacks.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- exploit-db.com https://www.exploit-db.com/exploits/40500 referenced PoC, tagged "exploit" by a source, unverified
- web.archive.org https://web.archive.org/web/20161029201749/https://github.com/ebux/AVTECH referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.3 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N |
| CNA | 4.0 | 8.3 | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- AVTECH IP cameras
- AVTECH DVR devices
- AVTECH NVR devices
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
exploit-db.com
/exploits/40500
exploit
-
web.archive.org
/web/20161029201749/https://github.com/ebux/AVTECH
exploit
-
avtech.com
/
product
-
web.archive.org
/web/20240810225729/https://www.search-lab.hu/advisories/126-AVTech-devices-multiple-vulnerabilities
third-party-advisory, technical-description
-
vulncheck.com
/advisories/avtech-ipcamera-nvr-dvr-mulitple-vulns
third-party-advisory
Sources
- CVE List CVE-2025-34066
- NVD CVE-2025-34066
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.