What is CVE-2018-0640?

CVE-2018-0640 is a high-severity vulnerability in Nec Aterm Hc100rc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2019-01-09.

How severe is CVE-2018-0640?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Nec Aterm Hc100rc

CVE-2018-0640

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.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Nec Aterm_hc100rc
Nec Aterm_hc100rc_firmware
Nec Corporation Hc100rc — versions Ver1.0.1 and earlier

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

vultures@jpcert.or.jp (Third Party Advisory, x_refsource_JVN, third-party-advisory)
vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-0640?: CVE-2018-0640 is a high-severity vulnerability in Nec Aterm Hc100rc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.2/10. Published 2019-01-09.
How severe is CVE-2018-0640?: High severity. CVSS v3 base score is 7.2 out of 10.