CVE-2026-76859 Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via user_pass_show.cgi

High 7.1 Published Updated

Low-privilege attackers can disclose router credentials via user_pass_show.cgi in Netcore NR255-V devices.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-76859?

CVE-2026-76859 is a high-severity vulnerability in Netcore NR255-V, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-522

Which versions are affected by CVE-2026-76859?

How do I fix CVE-2026-76859?

No fix has been published for CVE-2026-76859 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-76859 being exploited?

There is no known exploitation of CVE-2026-76859 in the wild and no public exploit code.

Sources

Also known as GHSA-v2f8-63qj-h7gx.

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