How severe is CVE-2026-4113?

CVE-2026-4113 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-4113 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-4113?

CVE-2026-4113 primarily affects Sonicwall Sma6210 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-4113?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-4113 have an EU (EUVD) identifier?

Yes. CVE-2026-4113 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20904.

When was CVE-2026-4113 published?

CVE-2026-4113 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-4113

CVE-2026-4113 is a high-severity vulnerability in Sonicwall Sma6210 Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-204.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20904
Weakness: CWE-204
Affected product: Sonicwall Sma6210 Firmware
Published: 2026-04-09
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-4113?: An observable response discrepancy vulnerability in the SonicWall SMA1000 series appliances allows a remote attacker to enumerate SSL VPN user credentials.
How severe is CVE-2026-4113?: CVE-2026-4113 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-4113 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-4113?: CVE-2026-4113 primarily affects Sonicwall Sma6210 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-4113?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-4113 have an EU (EUVD) identifier?: Yes. CVE-2026-4113 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20904.
When was CVE-2026-4113 published?: CVE-2026-4113 was published on 2026-04-09 and last updated on 2026-06-17.

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0003

Affected products (5)

cpe:2.3:o:sonicwall:sma6210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:sma8200v:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma7200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma7210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma6200_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Sonicwall Sma6210 Firmware

CVE-2025-23006 — Critical (CVSS 9.8): Pre-authentication deserialization of untrusted data vulnerability has been identified in the SMA1000 Appliance…
CVE-2026-4116 — High (CVSS 7.2): Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user…
CVE-2026-4112 — High (CVSS 7.2): Improper neutralization of special elements used in an SQL command (“SQL Injection”) in SonicWall SMA1000 series…
CVE-2026-4114 — Medium (CVSS 6.6): Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN admin…
CVE-2025-40602 — Medium (CVSS 6.6): A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance…

All CVEs affecting Sonicwall Sma6210 Firmware →

Other CWE-204 vulnerabilities

CVE-2018-25350 — Critical (CVSS 9.8): userSpice 4.3.24 contains a username enumeration vulnerability that allows unauthenticated attackers to discover valid…
CVE-2025-5485 — High (CVSS 8.6): User names used to access the web management interface are limited to the device identifier, which is a numerical…
CVE-2026-33419 — High (CVSS 7.5): MinIO is a high-performance object storage system. Prior to RELEASE.2026-03-17T21-25-16Z, MinIO AIStor's STS (Security…
CVE-2025-12455 — High (CVSS 7.5): Observable response discrepancy vulnerability in OpenText™ Vertica allows Password Brute Forcing. The…
CVE-2025-46390 — High (CVSS 7.5): CWE-204: Observable Response Discrepancy
CVE-2025-3092 — High (CVSS 7.5): An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.

Browse all CWE-204 vulnerabilities →