Vulnerability Intelligence Report
CVE-2021-21892
A stack-based buffer overflow vulnerability exists in the Web Manager FsUnmount 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.
No Active Exploit Signals
CVSS Base Score
9.9
CRITICAL
Exploitability:3.2
Impact Score:6.1
EPSS Probability:30.44%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Threat Intelligence Signals
EPSS Score
30.436%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Talos · Researcher · USA |
| Reserved | 2021-01-04T00:00:00 |
| Published | 2021-12-22T18:06:41 |
| Last Updated | 2024-08-03T18:30:22 |
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