What’s Vulnerable › Vulnerabilities

CVE-2020-8438

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-29 · updated 2026-06-17
• Weakness: CWE-78

Description

Ruckus ZoneFlex R500 104.0.0.0.1347 devices allow an authenticated attacker to execute arbitrary OS commands via the hidden /forms/nslookupHandler form, as demonstrated by the nslookuptarget=|cat${IFS} substring.

Affected products

• Arris Ruckus Zoneflex R500 Firmware: 104.0.0.0.1347

References

• https://sku11army.blogspot.com/2020/01/ruckus-rce-ruckus-m500-via-injection-on.html
• https://sku11army.blogspot.com/2020/01/ruckus-rce-ruckus-m500-via-injection-on.html

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