Memory corruption in NEC Corporation HC100RC
Priority LOW 35CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary code via netWizard.cgi date parameter, time parameter, and offset parameter.
Why it matters now
EPSS 0.018 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NEC Corporation | HC100RC | Ver1.0.1 and earlier | — | No fix listed | CNA |
- HC100RC VendorNEC Corporation Affected Ver1.0.1 and earlier Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:nec:aterm_hc100rc_firmware:*:*:*:*:*:*:*:* | up to 1.0.1 | Vulnerable | NEC Corporation |
| cpe:2.3:h:nec:aterm_hc100rc:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NEC Corporation |
- cpe:2.3:o:nec:aterm_hc100rc_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.1 Vulnerable ·NEC Corporation
- cpe:2.3:h:nec:aterm_hc100rc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NEC Corporation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-0640
- 2026-10-03 Alias added: GHSA-4pjf-jwfp-vg6f
References
More NEC Corporation Aterm Hc100rc Firmware vulnerabilities
- TI-2018-00596 Memory corruption in NEC Corporation HC100RC CVSS 3.0HIGH 7.2
- TI-2018-00594 OS command injection in NEC Corporation HC100RC CVSS 3.0HIGH 7.2
- TI-2018-00593 OS command injection in NEC Corporation HC100RC CVSS 3.0HIGH 7.2
- TI-2018-00592 OS command injection in NEC Corporation HC100RC CVSS 3.0HIGH 7.2
- TI-2018-00591 OS command injection in NEC Corporation HC100RC CVSS 3.0HIGH 7.2
- TI-2018-00590 OS command injection in NEC Corporation HC100RC CVSS 3.0HIGH 7.2
Sources
- CVE-2018-0640 · CVE Program
- CVE-2018-0640 · NVD
- FIRST EPSS
- GHSA-4pjf-jwfp-vg6f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences