CVE-2026-4113 | SonicWall SMA1000 SSL VPN response discrepancy (SNWLID-2026-0003)

VDB-356586 · CVE-2026-4113 · SNWLID-2026-0003 SONICWALL SMA1000 SSL VPN RESPONSE DISCREPANCY HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.7 $0-$5k 0.12+ 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. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Firewall Software Vendor SonicWall Name SMA1000 License commercial Website Vendor: https://www.sonicwall.com/ 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 Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock 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 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock 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 04/09/2026 +0 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 Entryinfo Created: 04/09/2026 17:36 Changes: 04/09/2026 17:36 (53) Complete: 🔍 Cache ID: 99:70E:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸