NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in l2tpd_config_show_cgi.c, ipsec_show_cgi.c, and mod_vpn_remote/plan.json read handlers. Attackers can query l2tpd_config_show.cgi to expose stored IPsec PSK and RSA key material.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00279.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Netcore NR255-V unaffected
Version Status Constraints
1.5.130703 affected —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-ipsec-cred-disclosure.md cve-icon cve-icon
https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-ipsec-psk-and-rsa-key-disclosure-via-l2tpd-config-show-cgi-read-handlers cve-icon cve-icon
History

Wed, 16 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 15 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in l2tpd_config_show_cgi.c, ipsec_show_cgi.c, and mod_vpn_remote/plan.json read handlers. Attackers can query l2tpd_config_show.cgi to expose stored IPsec PSK and RSA key material.
Title Netcore NR255-V 1.5.130703 IPsec PSK and RSA Key Disclosure via l2tpd_config_show.cgi Read Handlers
Weaknesses CWE-522
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-16T19:33:51.915Z

Reserved: 2026-09-15T21:09:51.279Z

Link: CVE-2026-92256

cve-icon Vulnrichment

Updated: 2026-09-16T19:32:53.915Z

cve-icon NVD

Status : Deferred

Published: 2026-09-15T22:17:04.530

Modified: 2026-09-16T20:21:01.047

Link: CVE-2026-92256

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-16T20:30:06Z

Weaknesses