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.
                
            References
                    | Link | Resource | 
|---|---|
| https://tvn.twcert.org.tw/taiwanvn/TVN-201910004 | Third Party Advisory | 
| https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf | Third Party Advisory | 
| https://tvn.twcert.org.tw/taiwanvn/TVN-201910004 | Third Party Advisory | 
| https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf | Third Party Advisory | 
Configurations
                    Configuration 1 (hide)
| AND | 
 
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Configuration 2 (hide)
| AND | 
 
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Configuration 3 (hide)
| AND | 
 
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Configuration 4 (hide)
| AND | 
 
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Configuration 5 (hide)
| AND | 
 
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Configuration 6 (hide)
| AND | 
 
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Configuration 7 (hide)
| AND | 
 
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Configuration 8 (hide)
| AND | 
 
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History
                    21 Nov 2024, 05:31
| Type | Values Removed | Values Added | 
|---|---|---|
| References | () https://tvn.twcert.org.tw/taiwanvn/TVN-201910004 - Third Party Advisory | |
| References | () https://www.chtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf - Third Party Advisory | |
| CVSS | v2 : v3 : | v2 : 10.0 v3 : 6.4 | 
Information
                Published : 2020-02-27 04:15
Updated : 2024-11-21 05:31
NVD link : CVE-2020-3924
Mitre link : CVE-2020-3924
CVE.ORG link : CVE-2020-3924
JSON object : View
Products Affected
                tonnet
- tat-76104g3_firmware
- tat-76108g3_firmware
- tat-70432n
- tat-76116g3
- tat-76132g3_firmware
- tat-76104g3
- tat-71832g1
- tat-76132g3
- tat-77104g1_firmware
- tat-71416g1
- tat-71832g1_firmware
- tat-70432n_firmware
- tat-76116g3_firmware
- tat-71416g1_firmware
- tat-77104g1
- tat-76108g3
CWE
                
                    
                        
                        CWE-77
                        
            Improper Neutralization of Special Elements used in a Command ('Command Injection')
