CVE-2022-46378 | BDVDB-2026-202121 Detail

Weston EmbeddeduC-FTPs

Description#

An out-of-bounds read vulnerability exists in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. A specially-crafted set of network packets can lead to denial of service. An attacker can send packets to trigger this vulnerability.This vulnerability occurs when no port argument is provided to the `PORT` command.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-823 Use of Out-of-range Pointer Offset

References#

Exploit#

No public exploit known

History#

Version 12023-05-10Record published in the CVE List.
Version 22025-11-04Most recent update recorded in the CVE List.

Published

Published: 2023-05-10
Last modified: 2025-11-04

Vendor information

Vendor: Weston Embedded
Product: uC-FTPs

All Weston Embedded vulnerabilities

Score

6.5 Medium

EPSS

1.4%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 73.0.

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
v 1.98.00
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

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

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

CVSS v3.0

Not available

CVSS v2

Not available

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