peter bassill · operator
$ cve CVE-2026-86299 JSON

CVE-2026-86299

9.9
CRITICAL · CVSS 3.1 · EPSS 3.7% (pctl 90)

In your normal cycle

Critical by CVSS (9.9), but no sign of active exploitation.

Description

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.

Scoring

CVSS9.9 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS3.74% — more likely to be exploited than 90% of all CVEs
WeaknessCWE-77
On CISA KEVno
Public exploitnone known
Published2026-09-07
Last modified2026-09-11

References

→ the Explorer  ·  watch your stack  ·  NVD