What is CVE-2023-41711?

CVE-2023-41711 is a medium-severity vulnerability in SonicWall Nsa 2600, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2023-10-17.

How severe is CVE-2023-41711?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in SonicWall Nsa 2600

CVE-2023-41711

SonicOS post-authentication Stack-Based Buffer Overflow Vulnerability in the sonicwall.exp, prefs.exp URL endpoints lead to a firewall crash.

Vulnerability class: Buffer Overflow

Published 2023-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.010 · change: +0.002

Affected products

Weakness classification (CWE)

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0012 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-41711?: CVE-2023-41711 is a medium-severity vulnerability in SonicWall Nsa 2600, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2023-10-17.
How severe is CVE-2023-41711?: Medium severity. CVSS v3 base score is 6.5 out of 10.