---
id: CVE-2026-121382
title: Netcore NBR100V2 auto_ac msg_aes_dec integer overflow
summary: >-
  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
  possib…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-190
  - CWE-189
vendor: Netcore
product: NBR100V2
affected:
  - NBR100V2 1.3.240614.030928
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-11-03T19:36:53.896270Z'
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T19:37:03.590Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-121382'
references:
  - url: 'https://vuldb.com/vuln/430256'
    label: VDB-430256 | Netcore NBR100V2 auto_ac msg_aes_dec integer overflow
  - url: 'https://vuldb.com/vuln/430256/cti'
    label: 'VDB-430256 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-121382'
    label: CVE-2026-121382 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1018496'
    label: 'Submit #1018496 | Netcore NBR100V2 1.3.240614.030928 denial of service'
tags:
  - cve.org
epss: 0.00576
epssPercentile: 0.47769
ingestedAt: '2026-11-05T20:33:06.398Z'
---

## Overview

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.

## Affected

- `NBR100V2 1.3.240614.030928`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.