CVE-2016-5816
CVE-2016-5816 is a high-severity vulnerability in Westermo Mrd-305-din Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (72nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-798
- Affected product: Westermo Mrd-305-din Firmware
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2016-5816?
- 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.
- How severe is CVE-2016-5816?
- CVE-2016-5816 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2016-5816 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-5816?
- CVE-2016-5816 primarily affects Westermo Mrd-305-din Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-5816?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2016-5816 published?
- CVE-2016-5816 was published on 2017-08-25 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:o:westermo:mrd-305-din_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:westermo:mrd-315-din_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:westermo:mrd-355-din_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:westermo:mrd-455-din_firmware:-:*:*:*:*:*:*:*
More vulnerabilities in Westermo Mrd-305-din Firmware
- CVE-2017-12703 — High (CVSS 8.8): A Cross-Site Request Forgery (CSRF) issue was discovered in Westermo MRD-305-DIN versions older than 1.7.5.0, and…
- CVE-2017-12709 — Medium (CVSS 5.3): A Use of Hard-Coded Credentials issue was discovered in MRD-305-DIN versions older than 1.7.5.0, and MRD-315, MRD-355,…
All CVEs affecting Westermo Mrd-305-din Firmware →
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