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CVE-2026-86299— Linksys RE7000 PingTest json.cgi platform_event_pingTest os command injection

Quick assessment

Affected
Linksys RE7000
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linksys RE7000是美国Linksys公司的一款无线网络扩展设备。 Linksys RE7000 2.0.15版本存在命令注入漏洞，该漏洞源于PingTest Handler组件中/cgi-bin/json.cgi?PingTest文件内的platform_event_pingTest函数对参数pingTestIp、pingTestPktSize和pingTestTimes操作不当，可能导致操作系统命令注入，攻击者可远程发起攻击。

CVSS 9.9 · Critical EPSS 1.98% · P80

Affected Version Matrix 1

VendorProduct Version RangeStatus
Linksys RE7000 2.0.15 affected
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I. Basic Information for CVE-2026-86299

Vulnerability Information
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Vulnerability Title
Linksys RE7000 PingTest json.cgi platform_event_pingTest os command injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Linksys RE7000 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linksys RE7000是美国Linksys公司的一款无线网络扩展设备。 Linksys RE7000 2.0.15版本存在命令注入漏洞，该漏洞源于PingTest Handler组件中/cgi-bin/json.cgi?PingTest文件内的platform_event_pingTest函数对参数pingTestIp、pingTestPktSize和pingTestTimes操作不当，可能导致操作系统命令注入，攻击者可远程发起攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linksys RE7000 2.0.15 cpe:2.3:o:linksys:re7000_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-86299

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III. Intelligence Information for CVE-2026-86299

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Proof of Concept for CVE-2026-86299 (1)

News Coverage for CVE-2026-86299 (1)

Other References for CVE-2026-86299 (2)

IV. Related Vulnerabilities

Same vendor: Linksys
Same weakness: CWE-78

V. Comments for CVE-2026-86299

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