Wl Wn531Ax2 Firmware
CVE-2023-32621
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK
2 techniques across 2 tactics: Command and Control, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application. |
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Alert meAnalysisAI
WL-WN531AX2 firmware versions prior to 2023526 allows an attacker with an administrative privilege to upload arbitrary files and execute OS commands with the root privilege. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Unrestricted File Upload vulnerability could allow attackers to upload malicious files that can be executed on the server.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. WL-WN531AX2 firmware versions prior to 2023526 allows an attacker with an administrative privilege to upload arbitrary files and execute OS commands with the root privilege. Affected products include: Wavlink Wl-Wn531Ax2 Firmware. Version information: prior to 2023526.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
WL-WN531AX2 firmware versions prior to 2023526 allows an attacker with an administrative privilege to upload arbitrary files and execute OS commands with the root privilege.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.
Affected Products (CPE)NVD
More in Wl Wn531Ax2 Firmware
View allExposure of resource to wrong sphere issue exists in WL-WN531AX2 firmware versions prior to 2023526, which may allow a n
Improper neutralization of special elements in WL-WN531AX2 firmware versions prior to 2023526 allows an attacker with an
Client-side enforcement of server-side security issue exists in WL-WN531AX2 firmware versions prior to 2023526, which ma
Improper authentication vulnerability in WL-WN531AX2 firmware versions prior to 2023526 allows a network-adjacent attack
GitHub PoC
Exploit-DB