CVE-2026-92256 Netcore NR255-V 1.5.130703 IPsec PSK and RSA Key Disclosure via l2tpd_config_show.cgi Read Handlers
Attackers can retrieve stored IPsec PSK and RSA keys from Netcore NR255-V routers via exposed CGI handlers, compromising VPN security.
- 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-2026-92256?
CVE-2026-92256 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
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.
Weakness: CWE-522
Which versions are affected by CVE-2026-92256?
How do I fix CVE-2026-92256?
No fix has been published for CVE-2026-92256 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-92256 being exploited?
There is no known exploitation of CVE-2026-92256 in the wild and no public exploit code.
Sources
Also known as GHSA-wfrq-fmxh-g284.