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CVE-2018-6210

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded...

9.8 Critical

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded rostel account, which makes it easier for remote attackers to obtain access via a TELNET session.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

3.01%Up 2.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded rostel account, which makes it easier for remote attackers to obtain access via a TELNET session.

Record
CVE-2018-6210
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-798
Updated
2026-11-02
CVE List No score

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded rostel account, which makes it easier for remote attackers to obtain access via a TELNET session.

Record
CVE-2018-6210
Updated
2026-11-02
EUVDEUVD-2018-17971 No score

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded rostel account, which makes it easier for remote attackers to obtain access via a TELNET session.

Record
EUVD-2018-17971
Updated
2026-11-03
GitHub AdvisoriesGHSA-h849-h67f-xm4x 9.8

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded...

D-Link DIR-620 devices, with a certain Rostelekom variant of firmware 1.0.37, have a hardcoded rostel account, which makes it easier for remote attackers to obtain access via a TELNET session.

Record
GHSA-h849-h67f-xm4x
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-798
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-6210 is a critical vulnerability (CVSS 9.8) in Dlink Dir-620 Firmware, published June 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.01%, the 87th percentile. No source names a fixed version.

References

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