TI-2026-53705 Aliases CVE-2026-76871 GHSA-9v69-pv67-hqj7

Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via VPN Read Handlers

LOW 31CWE-522Published 2026-09-15 · Updated 2026-09-21

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-522.

Summary

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in mod_vpn_remote/plan.json, pptpd_user_show.cgi, pptp_client_config_show.cgi, and l2tpd_user_show.cgi. Attackers can leverage these components to obtain PPTP and L2TP VPN credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0036 29th 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: 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	NR255-V	1.5.130703	—	No fix listed	CNA

NR255-V VendorNetcore Affected 1.5.130703 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-76871
2026-10-03 Alias added: GHSA-9v69-pv67-hqj7

References

Advisory 1

Netcore router public references: PPTP/L2TP VPN Credential Disclosure via Read Handlers

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