Vulnerability · Published Jul 14, 2026 · Assigned by NETGEAR
CVE-2026-62657Certificate validation vulnerability in NETGEAR Gaming Router and certain Nighthawk models
Medium 4.9
In plain English
A medium-severity security flaw in MR70 from NETGEAR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)4.9Medium
Exploit odds (30 days)0.1%top 95.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
Weakness: CWE-599 · Vector: CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
References
- https://www.netgear.com/support/product/mr70/ product, patch
- https://www.netgear.com/support/product/raxe500/ product, patch
- https://www.netgear.com/support/product/ms70/ product, patch
- https://www.netgear.com/support/product/xr1000/ product, patch
- https://kb.netgear.com/000070859/July-2026-NETGEAR-Security-Advisory vendor-advisory