CVE-2026-76871: Insufficiently Protected Credentials in Netcore NR255-V
Netcore NR255-V version 1.5.130703 has a vulnerability that allows attackers to disclose sensitive VPN credentials. The flaw exists in specific components handling VPN user information, enabling unauthorized access to PPTP and L2TP VPN credentials. This vulnerability has a high severity rating with a CVSS score of 7.1.
AI Analysis
Technical Summary
CVE-2026-76871 is a sensitive information disclosure vulnerability in Netcore NR255-V version 1.5.130703. The issue affects the mod_vpn_remote/plan.json, pptpd_user_show.cgi, pptp_client_config_show.cgi, and l2tpd_user_show.cgi components. Exploiting this vulnerability allows attackers to obtain PPTP and L2TP VPN credentials, potentially compromising VPN user accounts. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required but some privileges are needed (PR:L), no user interaction, and high impact on confidentiality.
Potential Impact
Attackers can gain unauthorized access to sensitive VPN credentials for PPTP and L2TP protocols, which could lead to unauthorized VPN access and potential further network compromise. The vulnerability impacts confidentiality but does not affect integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data. Until a patch is available, restrict access to the affected components and monitor for unauthorized access attempts.
CVE-2026-76871: Insufficiently Protected Credentials in Netcore NR255-V
Description
Netcore NR255-V version 1.5.130703 has a vulnerability that allows attackers to disclose sensitive VPN credentials. The flaw exists in specific components handling VPN user information, enabling unauthorized access to PPTP and L2TP VPN credentials. This vulnerability has a high severity rating with a CVSS score of 7.1.
CVSS v4.0
Score 7.1high
Affected software
Netcore
NR255-V
pkg:github/draw-ctf/netcore-router-public-refsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-76871 is a sensitive information disclosure vulnerability in Netcore NR255-V version 1.5.130703. The issue affects the mod_vpn_remote/plan.json, pptpd_user_show.cgi, pptp_client_config_show.cgi, and l2tpd_user_show.cgi components. Exploiting this vulnerability allows attackers to obtain PPTP and L2TP VPN credentials, potentially compromising VPN user accounts. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required but some privileges are needed (PR:L), no user interaction, and high impact on confidentiality.
Potential Impact
Attackers can gain unauthorized access to sensitive VPN credentials for PPTP and L2TP protocols, which could lead to unauthorized VPN access and potential further network compromise. The vulnerability impacts confidentiality but does not affect integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is provided in the available data. Until a patch is available, restrict access to the affected components and monitor for unauthorized access attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-19T21:47:08.936Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa9c06e55bf5e2cf56f824c
Added to database: 09/15/2026, 22:02:22 UTC
Last enriched: 09/15/2026, 22:25:38 UTC
Last updated: 09/16/2026, 03:17:20 UTC
Views: 7
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.