CVE-2021-35978: digi transport_dr64_firmware Command Injection
Vulnerability summary
CVE-2021-35978 is a high (CVSS 10.0) Command Injection vulnerability in digi transport_dr64_firmware. EPSS estimates a 3.68% chance of exploitation in the next 30 days, higher than 89.5% of scored vulnerabilities.
Timeline
- 10-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
3.68%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+0.12 pp
From 3.56% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Digi8 products
- transport_dr64_firmware≤ 5.2.4.9
- transport_vc74_firmware≤ 5.2.4.9
- transport_wr11_firmware≤ 8.2.1.3
- transport_wr11_xt_firmware≤ 8.2.1.3
- transport_wr21_firmware≤ 8.2.1.3
1 vendor · 8 products
References
2 links- raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-04.txtX Refsource MISCThird Party Advisory