CVE-2026-86299

CRITICALCVSS 9.9

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.

Timeline

Published:September 7th, 2026 12:17 PM

Last modified:September 8th, 2026 1:12 PM

CVSS Scoring

CVSS v3: 9.9 (CRITICAL)

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

CVSS v2: 9.0

Weaknesses (CWE)

CWE-77 CWE-78

References & Reports

Advisories, patches, and third-party reports

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/

Source: NIST NVD · Data may lag official sources by up to one minute