An issue was discovered in Digi TransPort DR64, SR44 VC74, and WR.
Priority MEDIUM 48CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.
Summary
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.
Why it matters now
EPSS 0.03676 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:digi:transport_dr64_firmware:*:*:*:*:*:*:*:* | up to 5.2.4.9 | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_dr64:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Digi |
| cpe:2.3:o:digi:transport_sr44_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_sr44:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Digi |
| cpe:2.3:o:digi:transport_vc74_firmware:*:*:*:*:*:*:*:* | up to 5.2.4.9 | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_vc74:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Digi |
| cpe:2.3:o:digi:transport_wr11_firmware:*:*:*:*:*:*:*:* | up to 8.2.1.3 | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_wr11:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Digi |
| cpe:2.3:o:digi:transport_wr11_xt_firmware:*:*:*:*:*:*:*:* | up to 8.2.1.3 | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_wr11_xt:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Digi |
- cpe:2.3:o:digi:transport_dr64_firmware:*:*:*:*:*:*:*:* Versions up to 5.2.4.9 Vulnerable ·Digi
- cpe:2.3:h:digi:transport_dr64:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi
- cpe:2.3:o:digi:transport_sr44_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Digi
- cpe:2.3:h:digi:transport_sr44:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi
- cpe:2.3:o:digi:transport_vc74_firmware:*:*:*:*:*:*:*:* Versions up to 5.2.4.9 Vulnerable ·Digi
- cpe:2.3:h:digi:transport_vc74:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi
- cpe:2.3:o:digi:transport_wr11_firmware:*:*:*:*:*:*:*:* Versions up to 8.2.1.3 Vulnerable ·Digi
- cpe:2.3:h:digi:transport_wr11:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi
- cpe:2.3:o:digi:transport_wr11_xt_firmware:*:*:*:*:*:*:*:* Versions up to 8.2.1.3 Vulnerable ·Digi
- cpe:2.3:h:digi:transport_wr11_xt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:digi:transport_wr21_firmware:*:*:*:*:*:*:*:* | up to 8.2.1.3 | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_wr21:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Digi |
| cpe:2.3:o:digi:transport_wr31_firmware:*:*:*:*:*:*:*:* | up to 8.2.1.3 | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_wr31:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Digi |
| cpe:2.3:o:digi:transport_wr41_firmware:*:*:*:*:*:*:*:* | 5.0.0.0 – 5.2.4.6; 6.0.0.0 – 6.1.3.5; 8.0.0.0 – 8.3.1.2 | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_wr41:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Digi |
| cpe:2.3:o:digi:transport_wr44_firmware:*:*:*:*:*:*:*:* | up to 8.3.1.2 | Vulnerable | Digi |
| cpe:2.3:h:digi:transport_wr44:v2:*:*:*:*:*:*:* | v2 | Running on | Digi |
- cpe:2.3:o:digi:transport_wr21_firmware:*:*:*:*:*:*:*:* Versions up to 8.2.1.3 Vulnerable ·Digi
- cpe:2.3:h:digi:transport_wr21:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi
- cpe:2.3:o:digi:transport_wr31_firmware:*:*:*:*:*:*:*:* Versions up to 8.2.1.3 Vulnerable ·Digi
- cpe:2.3:h:digi:transport_wr31:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi
- cpe:2.3:o:digi:transport_wr41_firmware:*:*:*:*:*:*:*:* Versions 5.0.0.0 – 5.2.4.6; 6.0.0.0 – 6.1.3.5; 8.0.0.0 – 8.3.1.2 Vulnerable ·Digi
- cpe:2.3:h:digi:transport_wr41:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Digi
- cpe:2.3:o:digi:transport_wr44_firmware:*:*:*:*:*:*:*:* Versions up to 8.3.1.2 Vulnerable ·Digi
- cpe:2.3:h:digi:transport_wr44:v2:*:*:*:*:*:*:* Versions v2 Running on ·Digi
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-35978
- 2026-10-03 Alias added: GHSA-62p6-2538-mvjg
References
More Digi Transport Dr64 Firmware vulnerabilities
- TI-2021-15250 An issue was discovered on Digi TransPort devices through 2021-07-21. CVSS 3.1HIGH 8.8
- TI-2021-15249 An issue was discovered on Digi TransPort devices through 2021-07-21. CVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-35978 · CVE Program
- CVE-2021-35978 · NVD
- FIRST EPSS
- GHSA-62p6-2538-mvjg · GitHub Advisory Database · CC BY 4.0
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