TI-2026-71276 Aliases CVE-2026-108930 GHSA-f4hf-p864-9577

Information disclosure in Netcore NR268 DDNS handler

LOW 23CWE-200Published 2026-10-12 · Updated 2026-10-13

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Information disclosure, Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200 and CWE-284.

Summary

Netcore NR268 from 1.7.121109 has an information disclosure flaw in the ddns_wan_list_show function of ddns_wan_list_show.cgi. Improper access control (CWE-284) lets the manipulated user_idN and passwordN arguments expose sensitive information. A remote attacker with high privileges can exploit this, and the exploit has been publicly disclosed and is linked in the references.

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. The impacted element is the function ddns_wan_list_show of the file ddns_wan_list_show.cgi of the component DDNS Handler. The manipulation of the argument user_idN/passwordN leads to information disclosure. The attack may be initiated 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 None reported CISA SSVC · not in CISA KEV

EPSS 0.00277 20th 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: None
Automatable: No
Technical impact: Partial

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

No fixed version is listed for Netcore NR268, and the vendor did not respond when contacted early about the disclosure.

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

Timeline

2026-10-12 Threatist record created from CVE-2026-108930
2026-10-13 Alias added: GHSA-f4hf-p864-9577
2026-10-13 CISA SSVC decision points changed

References

Exploit 1

https://github.com/draw-ctf/report/blob/main/NR268/2026.09.14-netcore-nr268-ddns-secret-disclosure.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