High severity · published Apr 9, 2026
CVE-2026-4113
An observable response discrepancy vulnerability in the SonicWall SMA1000 series appliances allows a remote attacker to enumerate SSL VPN user credentials
7.2
CVSS
0.4%
EPSS
No
On KEV
Description
An observable response discrepancy vulnerability in the SonicWall SMA1000 series appliances allows a remote attacker to enumerate SSL VPN user credentials.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SM
SMA1000 · SonicWall
12.4.3-03245 (platform-hotfix) and earlier versions.; 12.5.0-02283 (platform-hotfix) and earlier versions. · source: vendor
SF
Sma6200 Firmware · Sonicwall
before 12.4.3-03387; 12.5.0 before 12.5.0-02624 · source: NVD
SF
Sma6210 Firmware · Sonicwall
before 12.4.3-03387; 12.5.0 before 12.5.0-02624 · source: NVD
SF
Sma7200 Firmware · Sonicwall
before 12.4.3-03387; 12.5.0 before 12.5.0-02624 · source: NVD
SF
Sma7210 Firmware · Sonicwall
before 12.4.3-03387; 12.5.0 before 12.5.0-02624 · source: NVD
SM
Sma8200v · Sonicwall
before 12.4.3-03387; 12.5.0 before 12.5.0-02624 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4113
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4113
Vendor Advisory
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0003
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