RCE in Lantronix Premierwave 2050
CVE-2021-21881
An OS command injection vulnerability exists in the Web Manager Wireless Network Scanner functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.371 (98.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Lantronix Premierwave_2050
- Lantronix Premierwave_2050_firmware — versions 8.9.0.0
- N/a Lantronix — versions Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21881?
- CVE-2021-21881 is a critical-severity vulnerability in Lantronix Premierwave 2050, classified under OS Command Injection. CVSS score: 9.9/10. Published 2021-12-22.
- How severe is CVE-2021-21881?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2021-21881 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.