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CVE-2025-40596

HIGH
7.3
CVSS Score
Published: July 23, 2025 at 02:46 PM UTC
Updated: June 17, 2026 at 09:21 AM UTC
7 products affected across 1 vendorSMA 410 FirmwareSMA 210 FirmwareSMA 500V Firmware

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Severity
HIGH7.3
Exploit prediction
EPSS 45%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SMA 210 Firmware· SonicWall
95%
v < 10.2.2.1-90sv
Affected range stops below 10.2.2.1-90sv, so it looks safe — our inference, not a vendor statement
sonicwall-sma-210 (same device)
SMA 410 Firmware· SonicWall
95%
v < 10.2.2.1-90sv
Affected range stops below 10.2.2.1-90sv, so it looks safe — our inference, not a vendor statement
sonicwall-sma-410 (same device)
SMA 500V Firmware· SonicWall
95%
v < 10.2.2.1-90sv
Affected range stops below 10.2.2.1-90sv, so it looks safe — our inference, not a vendor statement
sonicwall-sma-500v (same device)
SMA 100· SonicWall
60%
v ≤ 10.2.1.15-81sv
Sma 210· SonicWalldevice
80%
All versions
Sma 410· SonicWalldevice
80%
All versions
SMA 500V· SonicWalldevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0012

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121

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