SonicWall SMA1000 SSL VPN response discrepancy

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.29

Summaryinfo

A vulnerability was found in SonicWall SMA1000. It has been declared as problematic. Affected is an unknown function of the component SSL VPN. The manipulation results in response discrepancy. This vulnerability is identified as CVE-2026-4113. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in SonicWall SMA1000 (version now known). It has been classified as problematic. Affected is some unknown processing of the component SSL VPN. The manipulation with an unknown input leads to a response discrepancy vulnerability. CWE is classifying the issue as CWE-204. The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. This is going to have an impact on confidentiality. CVE summarizes:

An observable response discrepancy vulnerability in the SonicWall SMA1000 series appliances allows a remote attacker to enumerate SSL VPN user credentials.

The advisory is available at psirt.global.sonicwall.com. This vulnerability is traded as CVE-2026-4113 since 03/13/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 305940 (SonicWall SMA 1000 Series <= 12.4.3-03245 / 12.5.x <= 12.5.0-02283 Multiple Vulnerabilities (SNWLID-2026-0003)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (305940) and EUVD (EUVD-2026-20904). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Response discrepancy
CWE: CWE-204 / CWE-203 / CWE-200
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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Nessus ID: 305940
Nessus Name: SonicWall SMA 1000 Series <= 12.4.3-03245 / 12.5.x <= 12.5.0-02283 Multiple Vulnerabilities (SNWLID-2026-0003)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/13/2026 CVE reserved
04/09/2026 +26 days Advisory disclosed
04/09/2026 +0 days VulDB entry created
04/10/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: sonicwall.com

Advisory: SNWLID-2026-0003
Status: Confirmed

CVE: CVE-2026-4113 (🔒)
GCVE (CVE): GCVE-0-2026-4113
GCVE (VulDB): GCVE-100-356586
EUVD: 🔒

Entryinfo

Created: 04/09/2026 17:36
Updated: 04/10/2026 23:31
Changes: 04/09/2026 17:36 (53), 04/09/2026 18:41 (1), 04/10/2026 23:31 (2)
Complete: 🔍
Cache ID: 216:FF3:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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