CVE-2018-0636 — Aterm HC100RC Ver1

Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via FactoryPassword parameter of a certain URL, different URL from CVE-2018-0634.

01What is this vulnerability?

Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via FactoryPassword parameter of a certain URL, different URL from CVE-2018-0634.

02Affected products

Vendor	Product	Versions
NEC Corporation	HC100RC	Ver1.0.1 and earlier

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2019-01-09T22:00:00.000Z
• Last modified: 2024-08-05T03:35:47.774Z

09References

• jvn.jp — https://jvn.jp/en/jp/JVN84825660/index.html
• jpn.nec.com — https://jpn.nec.com/security-info/secinfo/nv18-011.html