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CVE-2026-4113· NVD / CVE Program· CNA sonicwall

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

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

HighCVSS 7.2 · v3.1—No exploit No fix recorded
Published
Apr 9, 2026
Updated
Jun 17, 2026
EPSS
0.6% · 47th percentile
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Action score

28

Monitor

Low priority for now.

CVSS
28 / 40 · 7.2 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.6%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
sonicwallsma6210 firmware
sonicwallsma6210
sonicwallsma8200v
sonicwallsma7200 firmware
sonicwallsma7200
sonicwallsma7210 firmware
sonicwallsma7210
sonicwallsma6200 firmware
sonicwallsma6200

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Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sonicwall sma6200 firmware12.5.0 and later · before 12.5.0-02624
  • sonicwall sma6200 firmwarebefore 12.4.3-03387
  • sonicwall sma6210 firmwarebefore 12.4.3-03387
  • sonicwall sma6210 firmware12.5.0 and later · before 12.5.0-02624
  • sonicwall sma7200 firmwarebefore 12.4.3-03387
  • sonicwall sma7200 firmware12.5.0 and later · before 12.5.0-02624
  • sonicwall sma7210 firmwarebefore 12.4.3-03387
  • sonicwall sma7210 firmware12.5.0 and later · before 12.5.0-02624
  • sonicwall sma8200v12.5.0 and later · before 12.5.0-02624
  • sonicwall sma8200vbefore 12.4.3-03387

Versions reported by the vendor

Affected version ranges reported by the assigning authority (sonicwall). Independent of NVD's CPE analysis and usually ahead of it.

  • SonicWall SMA1000

    • 12.4.3-03245 (platform-hotfix) and earlier versions., 12.5.0-02283 (platform-hotfix) and earlier versions.affected

Same product

sonicwall: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-15409A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface.KEV
    72This week
  • CVE-2026-15410Post-authentication improper control of generation of code ('Code Injection') vulnerability has been identified in the SMA1000 Appliance ManKEV
    62This week
  • CVE-2026-4116Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user to bypass Workplace/C
    28Monitor
  • CVE-2026-4112Improper neutralization of special elements used in an SQL command (“SQL Injection”) in SonicWall SMA1000 series appliances allows a remote
    28Monitor
  • CVE-2026-4114Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN admin to bypass AMC TOTP a
    26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-204 · Observable Response Discrepancy

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records