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Fencer Intel
critical 9.8

CVE-2019-8950 json

The backdoor account dnsekakf2$$ in /bin/login on DASAN H665 devices with firmware 1.46p1-0028 allows an attacker to login to the admin acc…

published 7y ago modified 4mo ago also EUVD-2019-18337

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

The backdoor account dnsekakf2$$ in /bin/login on DASAN H665 devices with firmware 1.46p1-0028 allows an attacker to login to the admin account via TELNET.

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Exploit prediction

2.86% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • seclists.org https://seclists.org/bugtraq/2019/Feb/32 referenced PoC, tagged "exploit" by a source, unverified
  • blog.burghardt.pl https://blog.burghardt.pl/2019/02/dasan-h665-has-vendor-backdoor-built-into-busyboxs-bin-login/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-798 Use of Hard-coded Credentials

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.