Linksys RE7000 2.0.15 PingTest json.cgi?PingTest platform_event_pingTest pingTestIp/pingTestPktSize/pingTestTimes os command injection

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Linksys RE7000 2.0.15. This impacts the function platform_event_pingTest of the file /cgi-bin/json.cgi?PingTest of the component PingTest Handler. This manipulation of the argument pingTestIp/pingTestPktSize/pingTestTimes causes os command injection. This vulnerability appears as CVE-2026-86299. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Linksys RE7000 2.0.15. It has been declared as very critical. Affected by this vulnerability is 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 with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-86299. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/06/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Linksys

Name

• RE7000

Version

• 2.0.15

License

• commercial

Website

• Vendor: https://www.linksys.com/

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Submitinfo

Accepted

• Submit #906547: Linksys RE7000 v2 2.0.15 Command Injection (by sleep)

Be aware that VulDB is the high quality source for vulnerability data.

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