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TI-2025-27076 Aliases CVE-2025-40596GHSA-9c9q-24rh-frhg

Stack-based buffer overflow in SonicWall SMA 100 Series

Priority HIGH 69CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

A Stack-based buffer overflow vulnerability in the SMA100 series web interface allows remote, unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.45269 98th 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
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SonicWallSMA 100 Series10.2.1.15-81sv and earlier versions—No fix listedCNA
  • SMA 100 Series VendorSonicWall Affected 10.2.1.15-81sv and earlier versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*before 10.2.2.1-90svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma_500v:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*before 10.2.2.1-90svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
cpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*before 10.2.2.1-90svVulnerableSonicWall
cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:*not specified by NVDRunning onSonicWall
  • cpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:* Versions before 10.2.2.1-90sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma_500v:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:* Versions before 10.2.2.1-90sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma_210:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SonicWall
  • cpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:* Versions before 10.2.2.1-90sv Vulnerable ·SonicWall
  • cpe:2.3:h:sonicwall:sma_410:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·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 SMA 100 Series — psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0012

    3 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM

    Other records, highest priority first

    • TI-2025-27077 Heap-based buffer overflow in SonicWall SMA 100 SeriesPriority MEDIUM 61
    • TI-2025-27078 Cross-site scripting in SonicWall SMA 100 SeriesPriority MEDIUM 60
    Show all 3 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-40596
  2. 2026-10-03 Alias added: GHSA-9c9q-24rh-frhg
  3. 2026-10-24 EPSS moved to the 95th–99th percentile

References

Advisory 1

  • TI-2021-03356 Stack-based buffer overflow in SonicWall SMA100 KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-03349 SQL injection in SonicWall SRA/SMA100 KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-03337 SQL injection in SonicWall SMA100 KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-25716 Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path. KEVCVSS 3.1CRITICAL 9.1
  • TI-2023-23752 OS command injection in SonicWall SMA100 KEVCVSS 3.1HIGH 7.2
  • TI-2021-03354 OS command injection in SonicWall SMA100 KEVCVSS 3.1MEDIUM 6.5
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences