Xlightftpd Xlight FTP Server 3.9.3.6 Configuration stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Xlightftpd Xlight FTP Server 3.9.3.6. The impacted element is an unknown function of the component Configuration Handler. This manipulation causes stack-based overflow. This vulnerability is handled as CVE-2023-53886. It is possible to launch the attack on the local host. Additionally, an exploit exists.

Detailsinfo

A vulnerability has been found in Xlightftpd Xlight FTP Server 3.9.3.6 and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Configuration Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect availability. The summary by CVE is:

Xlight FTP Server 3.9.3.6 contains a stack buffer overflow vulnerability in the 'Execute Program' configuration that allows attackers to crash the application. Attackers can trigger the vulnerability by inserting 294 characters into the program execution configuration, causing a denial of service condition.

The weakness was released by Yehia Elghaly as 51665. The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2023-53886 since 12/13/2025. The exploitation appears to be easy. An attack has to be approached locally. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/13/2025 CVE reserved
12/15/2025 +2 days Advisory disclosed
12/15/2025 +0 days VulDB entry created
12/20/2025 +5 days VulDB entry last update

Sourcesinfo

Advisory: 51665
Researcher: Yehia Elghaly
Status: Not defined

CVE: CVE-2023-53886 (🔒)
GCVE (CVE): GCVE-0-2023-53886
GCVE (VulDB): GCVE-100-336541
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/15/2025 22:12
Updated: 12/20/2025 05:36
Changes: 12/15/2025 22:12 (71), 12/20/2025 05:36 (11)
Complete: 🔍
Cache ID: 216::103

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