Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tonnet | Tat-77104G1 Firmware | <= tat-77104g1_20190107 |
| Tonnet | Tat-77104G1 | - |
| Tonnet | Tat-70432N Firmware | <= tat-77208g1_20181225 |
| Tonnet | Tat-70432N | - |
| Tonnet | Tat-71416G1 Firmware | <= tat-71416g1_20181225 |
| Tonnet | Tat-71416G1 | - |
| Tonnet | Tat-71832G1 Firmware | <= tat-71832g1_20190510 |
| Tonnet | Tat-71832G1 | - |
| Tonnet | Tat-76104G3 Firmware | <= 20181220_76104g3 |
| Tonnet | Tat-76104G3 | - |
| Tonnet | Tat-76108G3 Firmware | <= 20181221_76208g3 |
| Tonnet | Tat-76108G3 | - |
| Tonnet | Tat-76116G3 Firmware | <= 20181221_76216g3 |
| Tonnet | Tat-76116G3 | - |
| Tonnet | Tat-76132G3 Firmware | <= tat-70832g3_20181221-1 |
| Tonnet | Tat-76132G3 | - |
Related Weaknesses (CWE)
References
- https://tvn.twcert.org.tw/taiwanvn/TVN-201910004Third Party Advisory
- https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcfThird Party Advisory
- https://tvn.twcert.org.tw/taiwanvn/TVN-201910004Third Party Advisory
- https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcfThird Party Advisory
FAQ
What is CVE-2020-3924?
CVE-2020-3924 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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.
How severe is CVE-2020-3924?
CVE-2020-3924 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-3924?
Check the references section above for vendor advisories and patch information. Affected products include: Tonnet Tat-77104G1 Firmware, Tonnet Tat-77104G1, Tonnet Tat-70432N Firmware, Tonnet Tat-70432N, Tonnet Tat-71416G1 Firmware.