What is CVE-2015-7794?

CVE-2015-7794 is a medium-severity vulnerability in Corega Cg-Wlncm4g Firmware, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2015-12-30.

How severe is CVE-2015-7794?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Improper input validation in Corega Cg-Wlncm4g Firmware

CVE-2015-7794

Corega CG-WLNCM4G devices provide an open DNS resolver, which allows remote attackers to cause a denial of service (traffic amplification) via crafted queries.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2015-12-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.016 (74.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Corega Cg-Wlncm4g Firmware

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

jvndb.jvn.jp/jvndb/JVNDB-2015-000203 (Vendor Advisory, third-party-advisory)
jvn.jp/en/jp/JVN51250073/index.html (Vendor Advisory, third-party-advisory)
corega.jp/support/security/20151224_wlncm4g.htm (Vendor Advisory)

Frequently asked questions

What is CVE-2015-7794?: CVE-2015-7794 is a medium-severity vulnerability in Corega Cg-Wlncm4g Firmware, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2015-12-30.
How severe is CVE-2015-7794?: Medium severity. CVSS v3 base score is 5.8 out of 10.