Critical severity · published Sep 7, 2026
CVE-2026-86299
Linksys RE7000 PingTest json.cgi platform_event_pingTest os command injection
9.9
CVSS
3.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
RE7000 · Linksys
2.0.15 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86299
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86299
github.com
https://github.com/limou89/somevul/blob/main/Linksys_RE7000_v2_PingTest_Command_Injection.md
vuldb.com
https://vuldb.com/cve/CVE-2026-86299
vuldb.com
https://vuldb.com/submit/906547
vuldb.com
https://vuldb.com/vuln/399463
vuldb.com
https://vuldb.com/vuln/399463/cti
www.linksys.com
https://www.linksys.com/
More from RE7000
9.8
CVE-2025-5447
A vulnerability was found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001
9.8
CVE-2025-5446
A vulnerability was found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001
9.8
CVE-2025-5445
A vulnerability was found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001 and classified as critical
9.8
CVE-2025-5444
A vulnerability has been found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001 and classified as critical
9.8
CVE-2025-5443
A vulnerability, which was classified as critical, was found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001