CVE-2026-3439

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 55/100
Published: 2026-03-04 Modified: 2026-11-09 First seen: 2026-11-09 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: High
UI: None
S: Unchanged
C: None
I: None
A: High

Description

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
sonicwall sonicos < 7.3.2-7010

References & Advisories (1)

Bug Bounty Relevance

55 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

4.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.28%
Raw Score 0.002830
Percentile 21.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00283
2026-11-12
0.00283
2026-11-10
0.00283
2026-11-09
0.00283

Intelligence Sources

nvd ref →