{"cve":"CVE-2021-35978","nvd":{"published":"2021-12-10T13:15:07.620","modified":"2026-06-17T03:58:08.427","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-77"],"references":["https://digi.com","https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-04.txt","https://digi.com","https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-04.txt"],"products":["digi:transport_dr64_firmware","digi:transport_sr44_firmware","digi:transport_vc74_firmware","digi:transport_wr11_firmware","digi:transport_wr11_xt_firmware","digi:transport_wr21_firmware","digi:transport_wr31_firmware","digi:transport_wr41_firmware","digi:transport_wr44_firmware"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-35978","score":0.03676,"percentile":0.8967,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}