CVE-2026-62657 Certificate validation vulnerability in NETGEAR Gaming Router and certain Nighthawk models
An attacker can bypass certificate validation to remotely access and take control of NETGEAR gaming and Nighthawk routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-62657?
CVE-2026-62657 is a medium-severity vulnerability in NETGEAR MR70, published on 14 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw in the router's certificate validation process was discovered in the NETGEAR XR1000 Gaming Router and certain Nighthawk models that could allow an unauthorized person to remotely access and take control of the device.
Weakness: CWE-599
Which versions are affected by CVE-2026-62657?
How do I fix CVE-2026-62657?
No fix has been published for CVE-2026-62657 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-62657 being exploited?
There is no known exploitation of CVE-2026-62657 in the wild and no public exploit code.
Sources
Also known as GHSA-h6xv-84v7-xhr4.