CVE-2026-76859

EUVD-2026-80062 · Published Sep 15, 2026

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the user_pass_show.cgi component. Low-privilege attackers can exploit this flaw via ui_config_2.xml and misc.js to disclose router credentials.

Weaknesses

CWE-522

CVSS scores

v4.07.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
v3.16.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

MITRE ATT&CK

Inferred

Where this vulnerability fits in an attack

ReconImpact

Initial Access

T1190Exploit Public-Facing Application

References

https://github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr255v-user-pass-disclosure.md
https://www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-sensitive-information-disclosure-via-user-pass-show-cgi

Potentially impacted assets

See if this affects your attack surface