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No exploitation reported

CVE-2019-18852

No exploitation reported by the sources we read.

  • Published2019-11-11
  • WeaknessCWE-319

Am I 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

Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.

Timeline

dates in UTC
  1. 2019-11-1114:15CVE publishedNVD

Versions per branch

NVD
Dlink dir-600 b1 firmwareversion to verify
BranchAffectedFixed in
2.1= 2.01no fix published
Dlink dir-615 j1 firmwareversion to verify
BranchAffectedFixed in
100.x= 100no fix published
Dlink dir-645 a1 firmwareversion to verify
BranchAffectedFixed in
1.3= 1.03no fix published

4 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-11-11
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-mpx6-w79q-h86g

Frequently asked questions

What is CVE-2019-18852?

Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.

Is CVE-2019-18852 actively exploited?

Active exploitation of CVE-2019-18852 has not been confirmed. Its EPSS score was 1.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18852?

CVE-2019-18852 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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