What’s Vulnerable › Vulnerabilities

CVE-2021-21888

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-22 · updated 2026-06-17
• Weakness: CWE-78

Description

An OS command injection vulnerability exists in the Web Manager SslGenerateCertificate functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary command execution. 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-2021-1332
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1332

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