CVE-2021-26730 | BDVDB-2026-187147 Detail

LannerIAC-AST2500A

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-121 Stack-based Buffer Overflow

References#

Exploit#

No public exploit known

History#

Version 12022-10-24Record published in the CVE List.
Version 22025-05-07Most recent update recorded in the CVE List.

Published

Published: 2022-10-24
Last modified: 2025-05-07

Vendor information

Vendor: Lanner
Product: IAC-AST2500A

All Lanner vulnerabilities

Score

10.0 Critical

EPSS

1.3%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 71.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
1.10.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

10.0 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).