Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a…
Priority LOW 34CWE-176Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a remote authenticated SSLVPN user to bypass Workplace/Connect Tunnel TOTP authentication.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00425 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SonicWall | SMA1000 | 12.4.3-03245 (platform-hotfix) and earlier versions.; 12.5.0-02283 (platform-hotfix) and earlier versions. | — | No fix listed | CNA |
- SMA1000 VendorSonicWall Affected 12.4.3-03245 (platform-hotfix) and earlier versions.; 12.5.0-02283 (platform-hotfix) and earlier versions. Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sonicwall:sma6210_firmware:*:*:*:*:*:*:*:* | before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 | Vulnerable | SonicWall |
| cpe:2.3:h:sonicwall:sma6210:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:o:sonicwall:sma6200_firmware:*:*:*:*:*:*:*:* | before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 | Vulnerable | SonicWall |
| cpe:2.3:h:sonicwall:sma6200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:o:sonicwall:sma7200_firmware:*:*:*:*:*:*:*:* | before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 | Vulnerable | SonicWall |
| cpe:2.3:h:sonicwall:sma7200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:o:sonicwall:sma7210_firmware:*:*:*:*:*:*:*:* | before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 | Vulnerable | SonicWall |
| cpe:2.3:h:sonicwall:sma7210:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SonicWall |
| cpe:2.3:a:sonicwall:sma8200v:*:*:*:*:*:*:*:* | before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 | Vulnerable | SonicWall |
- cpe:2.3:o:sonicwall:sma6210_firmware:*:*:*:*:*:*:*:* Versions before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 Vulnerable ·SonicWall
- cpe:2.3:h:sonicwall:sma6210:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:o:sonicwall:sma6200_firmware:*:*:*:*:*:*:*:* Versions before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 Vulnerable ·SonicWall
- cpe:2.3:h:sonicwall:sma6200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:o:sonicwall:sma7200_firmware:*:*:*:*:*:*:*:* Versions before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 Vulnerable ·SonicWall
- cpe:2.3:h:sonicwall:sma7200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:o:sonicwall:sma7210_firmware:*:*:*:*:*:*:*:* Versions before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 Vulnerable ·SonicWall
- cpe:2.3:h:sonicwall:sma7210:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
- cpe:2.3:a:sonicwall:sma8200v:*:*:*:*:*:*:*:* Versions before 12.4.3-03387; 12.5.0 to before 12.5.0-02624 Vulnerable ·SonicWall
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
SonicWall SMA1000 — psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0003
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2026-03562 SQL injection in SonicWall SMA1000Priority LOW 35
- TI-2026-03563 An observable response discrepancy vulnerability in the SonicWall SMA1000 series…Priority LOW 34
- TI-2026-03564 Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a…Priority LOW 32
Timeline
- 2026-10-02 Threatist record created from CVE-2026-4116
- 2026-10-03 Alias added: GHSA-98v3-fwpf-r4w2
- 2026-10-25 EPSS moved to the below the 50th percentile
References
More SonicWall Sma6200 Firmware vulnerabilities
- TI-2025-16819 Deserialization of untrusted data in SonicWall SMA1000 KEVCVSS 3.1CRITICAL 9.8
- TI-2025-27082 Missing authorization in SonicWall SMA1000 KEVCVSS 3.1MEDIUM 6.6
- TI-2026-03562 SQL injection in SonicWall SMA1000 CVSS 3.1HIGH 7.2
- TI-2026-03563 An observable response discrepancy vulnerability in the SonicWall SMA1000 series… CVSS 3.1HIGH 7.2
- TI-2026-03564 Improper handling of Unicode encoding in SonicWall SMA1000 series appliances allows a… CVSS 3.1MEDIUM 6.6
Sources
- CVE-2026-4116 · CVE Program
- CVE-2026-4116 · NVD
- FIRST EPSS
- GHSA-98v3-fwpf-r4w2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences