CVE-2026-86299: Linksys RE7000

Critical severity, CVSS 9.9. EPSS: 3.7% chance of exploitation in the next 30 days.

A vulnerability was detected in Linksys RE7000 2.0.15. This affects the function platform_event_pingTest of the file /cgi-bin/json.cgi?PingTest of the component PingTest Handler. The manipulation of the argument pingTestIp/pingTestPktSize/pingTestTimes results in os command injection. The attack can be launched remotely. The exploit is now public and may be used.

Affected products

• Linksys RE7000: version 2.0.15 only

Published 2026-09-07. Last modified 2026-09-11.