Sensitive Information Disclosure in Netcore NR255-V Router by Netcore
CVE-2026-76859

7.1HIGH

Key Information:

Vendor

Netcore

Status
Nr255-v
Vendor
CVE Published:
15 September 2026

What is CVE-2026-76859?

The Netcore NR255-V version 1.5.130703 is susceptible to a sensitive information disclosure vulnerability via the user_pass_show.cgi component. This flaw allows low-privilege attackers to exploit the router, gaining access to sensitive credentials through misconfigured files, specifically ui_config_2.xml and misc.js. This vulnerability poses a risk to users, as unauthorized access to router credentials can lead to further exploitation and compromise of the network.

Affected Version(s)

NR255-V 1.5.130703

References

https://github.com/draw-ctf/netcore-router-public-refs/bl...
third-party-advisory
https://www.vulncheck.com/advisories/netcore-nr255-v-1.5....
third-party-advisory

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zhou Ao
Yin Luxing
Jiang Yuxuan
Liu Xin
@Nebusec
.