CVE-2021-44769

TLS Certificate Generation Function Improper Input Validation

MEDIUM
6.5
CVSS Score
Published: October 24, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 04:12 AM UTC
3 products affected across 2 vendorsIac AST2500A FirmwareIac-Ast2500AIAC-AST2500A

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

lannerinc-iac-ast2500a (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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