What is CVE-2015-7283?

CVE-2015-7283 is a high-severity vulnerability in Zyxel Nbg-418n, classified under CWE-255. CVSS score: 8.1/10. Published 2015-12-31.

How severe is CVE-2015-7283?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Zyxel Nbg-418n

CVE-2015-7283

The web administration interface on ZyXEL NBG-418N devices with firmware 1.00(AADZ.3)C0 has a default password of 1234 for the admin account, which allows remote attackers to obtain administrative privileges by leveraging a LAN session.

Published 2015-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.037 (89.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000

Affected products

Zyxel Nbg-418n
Zyxel Nbg-418n Firmware — versions 1.00\(aadz.3\)c0, 1.00(aadz.3)c0

Weakness classification (CWE)

CWE-255

References

www.securitytracker.com/id/1034554 (vdb-entry)
www.securityfocus.com/bid/78819 (vdb-entry)
www.kb.cert.org/vuls/id/330000 (US Government Resource, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2015-7283?: CVE-2015-7283 is a high-severity vulnerability in Zyxel Nbg-418n, classified under CWE-255. CVSS score: 8.1/10. Published 2015-12-31.
How severe is CVE-2015-7283?: High severity. CVSS v3 base score is 8.1 out of 10.