CVE-2026-92255 Netcore NR255-V 1.5.130703 Out-of-Bounds Read in filter_arp_put_file.cgi via String API Misuse
Attackers can trigger an out-of-bounds read in the router's CGI script to expose adjacent memory contents.
- 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-2026-92255?
CVE-2026-92255 is a medium-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 an out-of-bounds read vulnerability in filter_arp_put_file.cgi caused by improper use of a string handling API. Attackers can trigger an unterminated buffer over-read by exploiting this flaw in the affected component, potentially exposing adjacent memory contents.
Weakness: CWE-125
Which versions are affected by CVE-2026-92255?
How do I fix CVE-2026-92255?
No fix has been published for CVE-2026-92255 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-92255 being exploited?
There is no known exploitation of CVE-2026-92255 in the wild and no public exploit code.
Sources
Also known as GHSA-2636-fg22-863m.