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TI-2020-03424 Aliases CVE-2020-3924GHSA-xv64-jjpm-mgjv

TONNET DVR – Firmware Injection

Priority MEDIUM 45CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.

Summary

DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.

Why it matters now

EPSS 0.01258 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
TONNETDVRup to 20191216—No fix listedCNA
TONNETDVRup to 20200213—No fix listedCNA
  • DVR VendorTONNET Affected up to 20191216 Fixed in — No fix listed CNA
  • DVR VendorTONNET Affected up to 20200213 Fixed in — No fix listed CNA

CPE configurations NVD · 16

CPEVersionsRoleVendor
cpe:2.3:o:tonnet:tat-77104g1_firmware:*:*:*:*:*:*:*:*up to tat-77104g1_20190107VulnerableTONNET
cpe:2.3:h:tonnet:tat-77104g1:-:*:*:*:*:*:*:*not specified by NVDRunning onTONNET
cpe:2.3:o:tonnet:tat-70432n_firmware:*:*:*:*:*:*:*:*up to tat-77208g1_20181225VulnerableTONNET
cpe:2.3:h:tonnet:tat-70432n:-:*:*:*:*:*:*:*not specified by NVDRunning onTONNET
cpe:2.3:o:tonnet:tat-71416g1_firmware:*:*:*:*:*:*:*:*up to tat-71416g1_20181225VulnerableTONNET
cpe:2.3:h:tonnet:tat-71416g1:-:*:*:*:*:*:*:*not specified by NVDRunning onTONNET
cpe:2.3:o:tonnet:tat-71832g1_firmware:*:*:*:*:*:*:*:*up to tat-71832g1_20190510VulnerableTONNET
cpe:2.3:h:tonnet:tat-71832g1:-:*:*:*:*:*:*:*not specified by NVDRunning onTONNET
cpe:2.3:o:tonnet:tat-76104g3_firmware:*:*:*:*:*:*:*:*up to 20181220_76104g3VulnerableTONNET
cpe:2.3:h:tonnet:tat-76104g3:-:*:*:*:*:*:*:*not specified by NVDRunning onTONNET
  • cpe:2.3:o:tonnet:tat-77104g1_firmware:*:*:*:*:*:*:*:* Versions up to tat-77104g1_20190107 Vulnerable ·TONNET
  • cpe:2.3:h:tonnet:tat-77104g1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TONNET
  • cpe:2.3:o:tonnet:tat-70432n_firmware:*:*:*:*:*:*:*:* Versions up to tat-77208g1_20181225 Vulnerable ·TONNET
  • cpe:2.3:h:tonnet:tat-70432n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TONNET
  • cpe:2.3:o:tonnet:tat-71416g1_firmware:*:*:*:*:*:*:*:* Versions up to tat-71416g1_20181225 Vulnerable ·TONNET
  • cpe:2.3:h:tonnet:tat-71416g1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TONNET
  • cpe:2.3:o:tonnet:tat-71832g1_firmware:*:*:*:*:*:*:*:* Versions up to tat-71832g1_20190510 Vulnerable ·TONNET
  • cpe:2.3:h:tonnet:tat-71832g1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TONNET
  • cpe:2.3:o:tonnet:tat-76104g3_firmware:*:*:*:*:*:*:*:* Versions up to 20181220_76104g3 Vulnerable ·TONNET
  • cpe:2.3:h:tonnet:tat-76104g3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TONNET
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:tonnet:tat-76108g3_firmware:*:*:*:*:*:*:*:*up to 20181221_76208g3VulnerableTONNET
cpe:2.3:h:tonnet:tat-76108g3:-:*:*:*:*:*:*:*not specified by NVDRunning onTONNET
cpe:2.3:o:tonnet:tat-76116g3_firmware:*:*:*:*:*:*:*:*up to 20181221_76216g3VulnerableTONNET
cpe:2.3:h:tonnet:tat-76116g3:-:*:*:*:*:*:*:*not specified by NVDRunning onTONNET
cpe:2.3:o:tonnet:tat-76132g3_firmware:*:*:*:*:*:*:*:*up to tat-70832g3_20181221-1VulnerableTONNET
cpe:2.3:h:tonnet:tat-76132g3:-:*:*:*:*:*:*:*not specified by NVDRunning onTONNET
  • cpe:2.3:o:tonnet:tat-76108g3_firmware:*:*:*:*:*:*:*:* Versions up to 20181221_76208g3 Vulnerable ·TONNET
  • cpe:2.3:h:tonnet:tat-76108g3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TONNET
  • cpe:2.3:o:tonnet:tat-76116g3_firmware:*:*:*:*:*:*:*:* Versions up to 20181221_76216g3 Vulnerable ·TONNET
  • cpe:2.3:h:tonnet:tat-76116g3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TONNET
  • cpe:2.3:o:tonnet:tat-76132g3_firmware:*:*:*:*:*:*:*:* Versions up to tat-70832g3_20181221-1 Vulnerable ·TONNET
  • cpe:2.3:h:tonnet:tat-76132g3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·TONNET

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3924
  2. 2026-10-03 Alias added: GHSA-xv64-jjpm-mgjv

References

Advisory 2

  • TI-2020-03423 TONNET DVR – Broken Access Control CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences