CVE-2026-86299

8.6 highEPSS 3.7%

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.

Severity

CVSS 4.0

8.6 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

CVSS 3.1

9.9 critical

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 3.7% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-78
Published: 2026-09-07
Modified: 2026-09-11
Record from: the NVD, synced 2026-10-19

References

https://github.com/limou89/somevul/blob/main/Linksys_RE7000_v2_PingTest_Command_Injection.md
https://vuldb.com/cve/CVE-2026-86299
https://vuldb.com/submit/906547
https://vuldb.com/vuln/399463
https://vuldb.com/vuln/399463/cti

Check your stack JSON