CVE-2021-21883

9.9 criticalEPSS 6.1%

Critical (9.9) in lantronix premierwave 2050 firmware. EPSS 6.1% chance of exploitation in the next 30 days.

An OS command injection vulnerability exists in the Web Manager Diagnostics: Ping functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Severity

CVSS 3.1

9.9 critical

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS: 6.1% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2021-12-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

lantronix:premierwave_2050_firmware

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1327
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1327

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