Wavlink AC3000 M33A8.V5030.210505 openvpn.cgi openvpn_server_setup open_port external control of setting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Wavlink AC3000 M33A8.V5030.210505 and classified as critical. This affects the function openvpn_server_setup of the file openvpn.cgi. Such manipulation of the argument open_port leads to external control of setting. This vulnerability is documented as CVE-2024-39800. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Wavlink AC3000 M33A8.V5030.210505 and classified as critical. Affected by this issue is the function openvpn_server_setup of the file openvpn.cgi. The manipulation of the argument open_port with an unknown input leads to a external control of setting vulnerability. Using CWE to declare the problem leads to CWE-15. One or more system settings or configuration elements can be externally controlled by a user. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple external config control vulnerabilities exists in the openvpn.cgi openvpn_server_setup() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A configuration injection vulnerability exists in the `open_port` POST parameter.

The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2024-39800 since 06/28/2024. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/22/2025).

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.2
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 9.1
CNA Vector (talos): 🔍

CVSSv2info

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

Exploitinginfo

Class: External control of setting
CWE: CWE-15
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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

06/28/2024 🔍
01/14/2025 +200 days 🔍
01/14/2025 +0 days 🔍
08/22/2025 +220 days 🔍

Sourcesinfo

Advisory: TALOS-2024-2050
Status: Not defined

CVE: CVE-2024-39800 (🔍)
GCVE (CVE): GCVE-0-2024-39800
GCVE (VulDB): GCVE-100-291596

Entryinfo

Created: 01/14/2025 16:05
Updated: 08/22/2025 04:01
Changes: 01/14/2025 16:05 (64), 08/22/2025 04:01 (12)
Complete: 🔍
Cache ID: 216::103

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