CVE-2021-26730

Published: Oct 24, 2022

Modified: May 7, 2025

PUBLISHED

CVSS v3.1

10.0

CRITICAL

Description

A stack-based buffer overflow vulnerability in a subfunction of the Login_handler_func function of spx_restservice allows an attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Vendor	Product	Versions
Lanner Inc	IAC-AST2500A	affected `1.10.0`

Weaknesses (CWE)

CWE-121

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

References

https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/

https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26730/

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CVE-2021-26730

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References