CVE-2026-92256

high

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.

References

https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-ipsec-psk-and-rsa-key-disclosure-via-l2tpd-config-show-cgi-read-handlers

https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-ipsec-cred-disclosure.md

Details

Source: Mitre, NVD

Published: 2026-09-15

Updated: 2026-09-16

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

CVSS v4

Base 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

Severity: High

EPSS

EPSS: 0.00279