What’s Vulnerable › Vulnerabilities

CVE-2021-21896

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-22 · updated 2026-06-17
• Weakness: CWE-22

Description

A directory traversal vulnerability exists in the Web Manager FsBrowseClean functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary file deletion. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Affected products

• LANTRONIX Premierwave 2050 Firmware: 8.9.0.0-r4

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1338
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1338

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