CVE-2021-36630: ruckuswireless sz-100_firmware
CVSS: 7.5v3.1HighModified
Published 18-01-2023Last modified 09-07-2026
Vulnerability summary
CVE-2021-36630 is a high (CVSS 7.5) vulnerability in ruckuswireless sz-100_firmware. EPSS estimates a 2.22% chance of exploitation in the next 30 days, higher than 82.4% of scored vulnerabilities. 3 public exploits are recorded.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
2.22%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3github, reference
Timeline
- 18-01-2023PublishedVulnerability first disclosed.
- 09-07-2026Last modifiedVulnerability information updated.
Description
DDOS reflection amplification vulnerability in eAut module of Ruckus Wireless SmartZone controller that allows remote attackers to perform DOS attacks via crafted request.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.22%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.22% on 20-09-2026
20-09-202620-10-2026
EPSS score2.22%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundCve 2021 36630
Maturity: poc
Exploit Reference (freebuf.com)
Maturity: unknown
Exploit Reference (anquan.baidu.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Ruckuswireless4 products
- sz-100_firmware≤ 3.6.2
- sz-144_firmware≤ 3.6.2
- sz-300_firmware≤ 3.6.2
- vsz_firmware≤ 3.6.2
1 vendor · 4 products