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 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.

Remediation

1. Inventory every Netcore NBR100V2 deployment, including staging.
2. No fixed version appears in the public sources yet. Check the references below and the vendor directly.

References

• Advisoryhttps://vuldb.com/cve/CVE-2026-121382
• Advisoryhttps://vuldb.com/submit/1018496
• Referencehttps://vuldb.com/vuln/430256
• Referencehttps://vuldb.com/vuln/430256/cti