CVE-2020-22657: ruckuswireless r310_firmware Improper Authentication
Vulnerability summary
CVE-2020-22657 is a critical (CVSS 9.1) Improper Authentication vulnerability in ruckuswireless r310_firmware. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.
Timeline
- 20-01-2023PublishedVulnerability first disclosed.
- 03-04-2025Last modifiedVulnerability information updated.
Description
In Ruckus R310 10.5.1.0.199, Ruckus R500 10.5.1.0.199, Ruckus R600 10.5.1.0.199, Ruckus T300 10.5.1.0.199, Ruckus T301n 10.5.1.0.199, Ruckus T301s 10.5.1.0.199, SmartCell Gateway 200 (SCG200) before 3.6.2.0.795, SmartZone 100 (SZ-100) before 3.6.2.0.795, SmartZone 300 (SZ300) before 3.6.2.0.795, Virtual SmartZone (vSZ) before 3.6.2.0.795, ZoneDirector 1100 9.10.2.0.130, ZoneDirector 1200 10.2.1.0.218, ZoneDirector 3000 10.2.1.0.218, ZoneDirector 5000 10.0.1.0.151, a vulnerability allows attackers to perform WEB GUI login authentication bypass.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.60% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ruckuswireless14 products
- r310_firmware10.5.1.0.199
- r500_firmware10.5.1.0.199
- r600_firmware10.5.1.0.199
- scg200_firmware< 3.6.2.0.795
- sz-100_firmware< 3.6.2.0.795
1 vendor · 14 products