Every CVE Search/ Get API key

CVE-2018-10698

An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET...

9.8 Critical

An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET service by default. This allows an attacker who has been able to gain an MITM position to easily sniff the traffic between the device and the user. Also an attacker can easily connect to the TELNET daemon using the default credentials if they have not been changed by the user.

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

2.34%Up 1.5 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET service by default. This allows an attacker who has been able to gain an MITM position to easily sniff the traffic between the device and the user. Also an attacker can easily connect to the TELNET daemon using the default credentials if they have not been changed by the user.

Record
CVE-2018-10698
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-311
Updated
2026-11-02
CVE List No score

An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET service by default. This allows an attacker who has been able to gain an MITM position to easily sniff the traffic between the device and the user. Also an attacker can easily connect to the TELNET daemon using the default credentials if they have not been changed by the user.

Record
CVE-2018-10698
Updated
2026-11-02
EUVDEUVD-2018-2769 No score

An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET service by default. This allows an attacker who has been able to gain an MITM position to easily sniff the traffic between the device and the user. Also an attacker can easily connect to the TELNET daemon using the default credentials if they have not been changed by the user.

Record
EUVD-2018-2769
Updated
2026-11-03
GitHub AdvisoriesGHSA-xvhw-jxmj-rx78 9.8

An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET...

An issue was discovered on Moxa AWK-3121 1.14 devices. The device enables an unencrypted TELNET service by default. This allows an attacker who has been able to gain an MITM position to easily sniff the traffic between the device and the user. Also an attacker can easily connect to the TELNET daemon using the default credentials if they have not been changed by the user.

Record
GHSA-xvhw-jxmj-rx78
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-311
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-2018-10698 is a critical vulnerability (CVSS 9.8) in Moxa Awk-3121 Firmware, published June 7, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.34%, the 83rd percentile. No source names a fixed version.

References

MoveEnter Open