A Use of Hard-Coded Cryptographic Key issue was discovered in MRD-305-DIN versions older…
Priority LOW 36CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-798.
Summary
A Use of Hard-Coded Cryptographic Key issue was discovered in MRD-305-DIN versions older than 1.7.5.0, and MRD-315, MRD-355, MRD-455 versions older than 1.7.5.0. The device utilizes hard-coded private cryptographic keys that may allow an attacker to decrypt traffic from any other source.
Why it matters now
EPSS 0.01532 74th 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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:westermo:mrd-305-din_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Westermo |
| cpe:2.3:h:westermo:mrd-305-din:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westermo |
| cpe:2.3:o:westermo:mrd-315-din_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Westermo |
| cpe:2.3:h:westermo:mrd-315-din:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westermo |
| cpe:2.3:o:westermo:mrd-355-din_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Westermo |
| cpe:2.3:h:westermo:mrd-355-din:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westermo |
| cpe:2.3:o:westermo:mrd-455-din_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Westermo |
| cpe:2.3:h:westermo:mrd-455-din:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westermo |
- cpe:2.3:o:westermo:mrd-305-din_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Westermo
- cpe:2.3:h:westermo:mrd-305-din:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westermo
- cpe:2.3:o:westermo:mrd-315-din_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Westermo
- cpe:2.3:h:westermo:mrd-315-din:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westermo
- cpe:2.3:o:westermo:mrd-355-din_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Westermo
- cpe:2.3:h:westermo:mrd-355-din:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westermo
- cpe:2.3:o:westermo:mrd-455-din_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Westermo
- cpe:2.3:h:westermo:mrd-455-din:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westermo
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-5816
- 2026-10-03 Alias added: GHSA-xr96-c25j-m65g
References
More Westermo Mrd-305-din Firmware vulnerabilities
- TI-2017-09410 Cross-site request forgery in Westermo MRD-305-DIN, MRD-315, MRD-355, and MRD-455 CVSS 3.0HIGH 8.8
- TI-2017-09416 Hard-coded credentials in Westermo MRD-305-DIN, MRD-315, MRD-355, and MRD-455 CVSS 3.0MEDIUM 5.3
Sources
- CVE-2016-5816 · CVE Program
- CVE-2016-5816 · NVD
- FIRST EPSS
- GHSA-xr96-c25j-m65g · GitHub Advisory Database · CC BY 4.0
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