What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-07 · updated 2026-09-11
• Weakness: CWE-77

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.

Affected products

• Linksys RE7000: 2.0.15

References

• 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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