CVE-2026-76853 Netcore NR268 1.7.121109 Security Check Bypass in parame_put_file.cgi
Attackers can bypass security checks in the restore archive handling of Netcore NR268 routers, potentially allowing unauthorized configuration changes.
- 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-2026-76853?
CVE-2026-76853 is a high-severity vulnerability in Netcore NR268, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Netcore NR268 firmware version 1.7.121109 contains a security check bypass vulnerability in the parame_put_file.cgi restore archive prefix validation. Attackers can exploit the flawed prefix check in put_parame_file_cgi.c to bypass restricted restore archive handling.
Weakness: CWE-353
Which versions are affected by CVE-2026-76853?
How do I fix CVE-2026-76853?
No fix has been published for CVE-2026-76853 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-76853 being exploited?
There is no known exploitation of CVE-2026-76853 in the wild and no public exploit code.
Sources
Also known as GHSA-6mhv-w69c-76fg.