CVE-2021-44769

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An improper input validation vulnerability in the TLS certificate generation function allows an attacker to cause a Denial-of-Service (DoS) condition which can only be reverted via a factory reset. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
Lanner Inc	IAC-AST2500A	1.10.0

References

https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/Third Party Advisory
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44769/Third Party Advisory
https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/Third Party Advisory
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44769/Third Party Advisory

Timeline

Published: Oct 24, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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