TI-2026-71045 Aliases CVE-2026-108906 GHSA-h5cj-ppxw-rw3v

Out-of-bounds read in Netcore NR268 filter_arp_put_file.cgi

HIGH 72CWE-119Published 2026-10-12 · Updated 2026-10-15

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Netcore NR268 from 1.7.121109 is affected. Manipulating the put_file argument of the filter_arp_put_file_cgi function leads to an out-of-bounds read (CWE-125). A remote attacker with high privileges can trigger the flaw, and the exploit has been disclosed to the public.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability has been found in Netcore NR268 1.7.121109. This affects the function filter_arp_put_file_cgi of the file /router/filter_arp_put_file.cgi. The manipulation of the argument put_file leads to out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00426 37th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Netcore	NR268	1.7.121109	—	No fix listed	CNA

NR268 VendorNetcore Affected 1.7.121109 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:netcore:nr268::::::::	—	—	Netcore

cpe:2.3:a:netcore:nr268:*:*:*:*:*:*:*:* Versions — — ·Netcore

Remediation

The sources list no fixed version for Netcore NR268.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-12 Threatist record created from CVE-2026-108906
2026-10-12 Alias added: GHSA-h5cj-ppxw-rw3v
2026-10-13 Priority changed: MEDIUM → LOW
2026-10-15 CISA SSVC decision points changed
2026-10-15 Priority changed: LOW → HIGH

References

Exploit 1

https://github.com/draw-ctf/report/blob/main/NR268/2026.09.14-netcore-nr268-arp-import-overread.md

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