CVE-2018-5399
No exploitation reported by the sources we read.
- Published2018-10-08
- Fixed in3.7
- WeaknessCWE-798
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
The Auto-Maskin DCU 210E firmware contains an undocumented Dropbear SSH server, v2015.55, configured to listen on Port 22 while the DCU is running. The Dropbear server is configured with a hard-coded user name and password combination of root / amroot. The server is configured to use password only authentication not cryptographic keys, however the firmware image contains an RSA host-key for the server. An attacker can exploit this vulnerability to gain root access to the Angstrom Linux operating system and modify any binaries or configuration files in the firmware. Affected releases are Auto-Maskin DCU-210E RP-210E: Versions prior to 3.7 on ARMv7.
Timeline
dates in UTC- 2018-10-0815:29CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-5399?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-5399?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 3.7 | < 3.7 | 3.7 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 3.7 | < 3.7 | 3.7 | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Auto-Maskin RP210E, DCU210E, and Marine Observer Pro (Android App)
RP210E: Versions 3.7 and prior · DCU210E: Versions 3.7 and prior
Fix
- Update Auto-maskin dcu-210e firmware to 3.7
- Mitigation from the vendor CISA ICSA-20-051-04 · 2 productsAuto-Maskin reports new firmware is available to download from its website that mitigates the reported vulnerabilities.
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2018-10-08
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2018-5399?
Is CVE-2018-5399 actively exploited?
What is the CVSS score for CVE-2018-5399?
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