What is CVE-2018-12706?

CVE-2018-12706 is a critical-severity vulnerability in Digisol Dg-Br4000ng, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-06-24.

How severe is CVE-2018-12706?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Digisol Dg-Br4000ng

CVE-2018-12706

DIGISOL DG-BR4000NG devices have a Buffer Overflow via a long Authorization HTTP header.

Vulnerability class: Buffer Overflow

Published 2018-06-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.099 (95.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.099 · newest: 0.099 · change: 0.000

Affected products

Weakness classification (CWE)

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

References

www.exploit-db.com/exploits/44934/ (VDB Entry, Third Party Advisory, exploit)
hackings8n.blogspot.com/2018/06/cve-2018-12706-digisol-dg-br4000ng.html (Third Party Advisory)

Frequently asked questions

What is CVE-2018-12706?: CVE-2018-12706 is a critical-severity vulnerability in Digisol Dg-Br4000ng, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2018-06-24.
How severe is CVE-2018-12706?: Critical severity. CVSS v3 base score is 9.8 out of 10.