Signal is active with 5 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
1 version affected across 33 products
CVE-2026-3439 A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall. https://www.cve.org/CVERecord?id=CVE-2026-3439
Post summary
A post-authentication stack-based buffer overflow in SonicOS certificate handling, capable of crashing the firewall, has been publicly disclosed.
⚡ New CVE Alert: CVE-2026-3439 🚨 Risk Level: Unknown 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-3439 #CVE-2026-3439 #CVE #CyberSecurity #InfoSec https://t.co/usmhys8T5K
Post summary
A new CVE-2026-3439 alert was announced with minimal details, lacking vulnerability specifics or mitigation information.
CVE-2026-3439 Stack-based Buffer Overflow in SonicOS Certificate Handling Enables Remote Firewall Crash https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-3439
Post summary
This post discloses a stack‑based buffer overflow in SonicOS certificate handling that can cause a remote firewall crash.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-3439 - SonicOS Stack-based Buffer Overflow Vulnerability Intel Report: https://ift.tt/5ryKZpR
Post summary
An alert announcing the CVE‑2026‑3439 stack‑buffer‑overflow vulnerability in SonicOS, with a link to an Intel report.
🚨*CVE* CVE-2026-3439 A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall. https://www.cve.org/CVERecord?id=CVE-2026-3439 ----- Traducción: CVE-2026-3439 Una vulnerabilidad de desbordami… http://infoflow.cloud`
Post summary
The tweet announces CVE-2026-3439, describing a stack-based buffer overflow in SonicOS that lets a remote attacker crash the device; no PoC, exploit, or patch information is provided.
33 of 33 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| HW | sonicwall | nsa_2700 | - | - | - |
| HW | sonicwall | nsa_2800 | - | - | - |
| HW | sonicwall | nsa_3700 | - | - | - |
| HW | sonicwall | nsa_3800 | - | - | - |
| HW | sonicwall | nsa_4700 | - | - | - |
| HW | sonicwall | nsa_4800 | - | - | - |
| HW | sonicwall | nsa_5700 | - | - | - |
| HW | sonicwall | nsa_5800 | - | - | - |
| HW | sonicwall | nsa_6700 | - | - | - |
| HW | sonicwall | nssp_10700 | - | - | - |
| HW | sonicwall | nssp_11700 | - | - | - |
| HW | sonicwall | nssp_13700 | - | - | - |
| HW | sonicwall | nssp_15700 | - | - | - |
| HW | sonicwall | nsv270 | - | - | - |
| HW | sonicwall | nsv470 | - | - | - |
| HW | sonicwall | nsv870 | - | - | - |
| OS | sonicwall | sonicos | - | - | - |
| HW | sonicwall | tz270 | - | - | - |
| HW | sonicwall | tz270w | - | - | - |
| HW | sonicwall | tz280 | - | - | - |
| HW | sonicwall | tz370 | - | - | - |
| HW | sonicwall | tz370w | - | - | - |
| HW | sonicwall | tz380 | - | - | - |
| HW | sonicwall | tz470 | - | - | - |
| HW | sonicwall | tz470w | - | - | - |
| HW | sonicwall | tz480 | - | - | - |
| HW | sonicwall | tz570 | - | - | - |
| HW | sonicwall | tz570p | - | - | - |
| HW | sonicwall | tz570w | - | - | - |
| HW | sonicwall | tz580 | - | - | - |
| HW | sonicwall | tz670 | - | - | - |
| HW | sonicwall | tz680 | - | - | - |
| HW | sonicwall | tz80 | - | - | - |