CVE-2021-26727 CRITICAL

CVE-2021-26727: spx_restservice SubNet_handler_func Multiple Command Injections and Stack-Based Buffer Overflows

Vendor Lanner Inc
Product IAC-AST2500A
Weakness CWE-94 · Code injection
Published October 24, 2022
Last update May 7, 2025

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Multiple command injections and stack-based buffer overflows vulnerabilities in the SubNet_handler_func function of spx_restservice allow 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.

Key dates

02Disclosure timeline

October 24, 2022 CVE published
May 7, 2025 Record updated