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TI-2026-84475 Aliases CVE-2026-121382GHSA-c894-38h9-3f4g

Integer overflow in Netcore NBR100V2 auto_ac msg_aes_dec

Priority MEDIUM 44CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.

Summary

Netcore NBR100V2 is affected starting at version 1.3.240614.030928. The msg_aes_dec function in /usr/bin/auto_ac has an integer overflow (CWE-190). A remote attacker without privileges or user interaction can trigger it, with high impact on availability. The exploit has been publicly disclosed.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00576 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NetcoreNBR100V21.3.240614.030928—No fix listedCNA
  • NBR100V2 VendorNetcore Affected 1.3.240614.030928 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:netcore:nbr100v2:*:*:*:*:*:*:*:*——Netcore
  • cpe:2.3:a:netcore:nbr100v2:*:*:*:*:*:*:*:* Versions — — ·Netcore

Remediation

The sources list no fixed version for Netcore NBR100V2.

Written with Claude Haiku 5.5 from the sources below · 2026-11-03

Timeline

  1. 2026-11-03 Threatist record created from CVE-2026-121382
  2. 2026-11-03 CISA SSVC decision points changed
  3. 2026-11-03 Alias added: GHSA-c894-38h9-3f4g

References

—

  • TI-2026-71052 Improper authentication in Netcore NR268 CGI Execution CVSS 4.0CRITICAL 10.0
  • TI-2026-65286 Netcore NAP930 Network Tools CGI network_tools eval os command injection CVSS 4.0CRITICAL 10.0
  • TI-2026-65110 Netcore NR289-GE boa_temp process_request missing authentication CVSS 4.0CRITICAL 10.0
  • TI-2026-65109 Netcore NR289-GE CGI set_ntp_server_ip.cgi system os command injection CVSS 4.0CRITICAL 10.0
  • TI-2026-65108 Netcore NR289-GE Location Time location_time.cgi system os command injection CVSS 4.0CRITICAL 10.0
  • TI-2026-65105 Netcore NR289-GE CGI ap_ip.cgi system os command injection CVSS 4.0CRITICAL 10.0
See all 60 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences