What’s Vulnerable › Vulnerabilities

CVE-2023-32752: L7 Networks InstantScan & InstantQoS - Arbitrary File Upload

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-16 · updated 2026-06-17
• Weakness: CWE-434

Description

L7 Networks InstantScan IS-8000 & InstantQoS IQ-8000’s file uploading function does not restrict upload of file with dangerous type. An unauthenticated remote attacker can exploit this vulnerability to upload and run arbitrary executable files to perform arbitrary system commands or disrupt service.

Affected products

• L7-Networks Instantqos: iq-8000
• L7-Networks Instantscan: is-8000

References

• https://www.twcert.org.tw/en/cp-139-7189-5995e-2.html
• https://www.twcert.org.tw/en/cp-139-7189-5995e-2.html

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