Critical severity9.8NVD Advisory· Published Dec 10, 2021· Updated Jun 17, 2026
CVE-2021-35978
CVE-2021-35978
Description
An issue was discovered in Digi TransPort DR64, SR44 VC74, and WR. The ZING protocol allows arbitrary remote command execution with SUPER privileges. This allows an attacker (with knowledge of the protocol) to execute arbitrary code on the controller including overwriting firmware, adding/removing users, disabling the internal firewall, etc.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
13- cpe:2.3:o:digi:transport_dr64_firmware:*:*:*:*:*:*:*:*Range: <=5.2.4.9
- cpe:2.3:o:digi:transport_sr44_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:digi:transport_vc74_firmware:*:*:*:*:*:*:*:*Range: <=5.2.4.9
- cpe:2.3:o:digi:transport_wr11_firmware:*:*:*:*:*:*:*:*Range: <=8.2.1.3
- cpe:2.3:o:digi:transport_wr11_xt_firmware:*:*:*:*:*:*:*:*Range: <=8.2.1.3
- cpe:2.3:o:digi:transport_wr21_firmware:*:*:*:*:*:*:*:*Range: <=8.2.1.3
- cpe:2.3:o:digi:transport_wr31_firmware:*:*:*:*:*:*:*:*Range: <=8.2.1.3
- cpe:2.3:o:digi:transport_wr41_firmware:*:*:*:*:*:*:*:*Range: >=5.0.0.0,<=5.2.4.6
- cpe:2.3:o:digi:transport_wr44_firmware:*:*:*:*:*:*:*:*Range: <=8.3.1.2
- Digi/TransPort DR64, SR44 VC74, and WRdescription
Patches
Vulnerability mechanics
References
2- digi.comnvdVendor Advisory
- raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-04.txtnvdThird Party Advisory
News mentions
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