Critical severity9.1NVD Advisory· Published Dec 22, 2021· Updated Jun 17, 2026
CVE-2021-21887
CVE-2021-21887
Description
A stack-based buffer overflow vulnerability exists in the Web Manager SslGenerateCSR functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to remote code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
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Affected products
38.9.0.0R4+ 1 more
- (no CPE)range: 8.9.0.0R4
- (no CPE)
- cpe:2.3:o:lantronix:premierwave_2050_firmware:8.9.0.0:r4:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2021-1331nvdExploitTechnical DescriptionThird Party Advisory
News mentions
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