7.5

CVE-2024-40763: sonicwall sma_200_firmware Heap-based Buffer Overflow

CVSS: 7.5v3.1HighAnalyzed
Published 05-12-2024Last modified 07-12-2024

Vulnerability summary

CVE-2024-40763 is a high (CVSS 7.5) Heap-based Buffer Overflow vulnerability in sonicwall sma_200_firmware. EPSS estimates a 0.94% chance of exploitation in the next 30 days, higher than 60.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.94%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-12-2024
    PublishedVulnerability first disclosed.
  2. 07-12-2024
    Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow vulnerability in the SonicWall SMA100 SSLVPN due to the use of strcpy. This allows remote authenticated attackers to cause Heap-based buffer overflow and potentially lead to code execution.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.94%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

0.00 pp

From 0.94% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sonicwall6 products

1 vendor · 6 products

References

1 links