CVE-2018-0638

Name: CVE-2018-0638
Creator: NVD / NIST
Published: 2019-01-09T23:29:01.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.40%

Last modified Jun 17, 2026

CVE-2018-0638 is a vulnerability of currently unknown severity. Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via import.cgi encKey parameter.. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via import.cgi encKey parameter.

Metrics

EPSS Probability

1.40%

69.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Nec	Aterm Hc100rc Firmware	<= 1.0.1

References

https://jpn.nec.com/security-info/secinfo/nv18-011.htmlVendor Advisory
https://jvn.jp/en/jp/JVN84825660/index.htmlThird Party Advisory
https://jpn.nec.com/security-info/secinfo/nv18-011.htmlVendor Advisory
https://jvn.jp/en/jp/JVN84825660/index.htmlThird Party Advisory

Timeline

Published: Jan 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0638?

Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via import.cgi encKey parameter.

How severe is CVE-2018-0638?

Severity scoring for CVE-2018-0638 is pending analysis. The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0638?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST