CVE-2020-8438

PoC —

CVSS 3.1

7.2 high

EPSS

2%p74

Published

Jan 29, 2020 (Jan 29, 2020)

Modified

Jun 17, 2026

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.

Vendors: arris
Products: ruckus zoneflex r500 firmware
Weakness: CWE-78
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.6%)

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