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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 22.7%, 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
- 22.68% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-122
- Affected
- sonicwall/sma 500v firmware · sonicwall/sma 210 firmware · sonicwall/sma 410 firmware
- Source
- PSIRT@sonicwall.com
EPSS moved from 31.2% on 13 October 2026 to 22.7% on 1 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.