Vulnerability record · CVE-2026-86299 · published 7 September 2026

CVE-2026-86299: Command injection vulnerability

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.

8.6 CVSS 4.0 High EPSS 3.7% · top 10.5% CWE-77 · Command injectionCWE-78 · OS command injection Deferred

8.6CVSS 4.0 base score, v2 9.0

3.7%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

6References

11 Sep 2026Last modified by NVD

Description

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
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
https://www.linksys.com/

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Source: NIST National Vulnerability Database (record CVE-2026-86299), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.