SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-40597

A Heap-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.

HIGH 7.5EPSS 29.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 29.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

A Heap-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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
29.40% probability · 98th percentile
CISA KEV
Not listed
Weakness
CWE-122
Affected
sonicwall/sma 500v firmware · sonicwall/sma 210 firmware · sonicwall/sma 410 firmware
Source
PSIRT@sonicwall.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.