Integer overflow in Netcore Nbr100v2
CVE-2026-121382
A vulnerability was determined in Netcore NBR100V2 1.3.240614.030928. Affected by this issue is the function msg_aes_dec of the file /usr/bin/auto_ac. This manipulation causes integer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Netcore Nbr100v2 — versions 1.3.240614.030928
Weakness classification (CWE)
References
- vuldb.com/vuln/430256 (technical-description, vdb-entry)
- vuldb.com/vuln/430256/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-121382 (third-party-advisory)
- vuldb.com/submit/1018496 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-121382?
- CVE-2026-121382 is a high-severity vulnerability in Netcore Nbr100v2, classified under CWE-189. CVSS score: 7.5/10. Published 2026-11-03.
- How severe is CVE-2026-121382?
- High severity. CVSS v3 base score is 7.5 out of 10.