Vulnerability · Published Oct 13, 2026 · Assigned by NETGEAR

CVE-2026-107917Insufficient input validation vulnerability in NETGEAR R7300 router

Medium 4.5

In plain English

A medium-severity improper input validation in R7300DST from NETGEAR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)4.5Medium

Exploit odds (30 days)0.2%top 95.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Insufficient input validation vulnerability in the PPPoE Setup feature of NETGEAR R7300 router allows authenticated administrators connected to the local network to perform unauthorized actions on the router. This issue was identified through testing in a controlled research environment using a simulated version of the router's software and has not been confirmed on physical production devices.

Affected products (as reported)

Vendor	Product	Versions
NETGEAR	R7300DST	0 – through V1.0.0.74

Weakness: CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

References

https://www.netgear.com/support/product/r7300dst patch, product
https://kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory vendor-advisory, patch