CVE-2021-26730 | A stack-based buffer overflow vulnerability in a subfunction… | CVSS 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.

Metadata

CVE ID: CVE-2021-26730
State: PUBLISHED
Assigner: Nozomi
Reserved: 2021-02-05 00:00 UTC
Published: 2022-10-24 00:00 UTC
Last updated: 2025-05-07 15:40 UTC
Primary CWE: CWE-121
CWE-121 Stack-based Buffer Overflow
Vendor / Product: Lanner Inc / IAC-AST2500A
Sources: cve.org · NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Lanner Inc	IAC-AST2500A	—	1.10.0

Weakness (CWE)

CWE	Source	Description
CWE-121	cna	CWE-121 Stack-based Buffer Overflow

CVSS scores (1)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References (2)