Wavlink AC3000 M33A8.V5030.210505 nas.cgi set_ftp_cfg ftp_max_sessions 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 has been found in Wavlink AC3000 M33A8.V5030.210505 and classified as critical. The impacted element is the function set_ftp_cfg of the file nas.cgi. This manipulation of the argument ftp_max_sessions causes external control of setting. This vulnerability is registered as CVE-2024-39790. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in Wavlink AC3000 M33A8.V5030.210505 and classified as critical. Affected by this vulnerability is the function set_ftp_cfg of the file nas.cgi. The manipulation of the argument ftp_max_sessions with an unknown input leads to a external control of setting vulnerability. The CWE definition for the vulnerability is CWE-15. One or more system settings or configuration elements can be externally controlled by a user. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Multiple external config control vulnerabilities exist in the nas.cgi set_ftp_cfg() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to permission bypass. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A configuration injection vulnerability exists within the `ftp_max_sessions` POST parameter.

It is possible to read the advisory at talosintelligence.com. This vulnerability is known as CVE-2024-39790 since 06/28/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (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.

Statistical analysis made it clear that VulDB provides the best quality 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-2024-2056
Status: Not defined

CVE: CVE-2024-39790 (🔍)
GCVE (CVE): GCVE-0-2024-39790
GCVE (VulDB): GCVE-100-291595

Entryinfo

Created: 01/14/2025 16:04
Updated: 08/22/2025 21:35
Changes: 01/14/2025 16:04 (64), 08/22/2025 21:35 (12)
Complete: 🔍
Cache ID: 216::103

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