CVE-2026-5654 — Denial of Service
CVE-2026-5654 — AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
What This Means For You
- If your environment is affected by CWE-121, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-5654 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Wireshark AMR-NB Codec DoS Attempt - CVE-2026-5654
title: Wireshark AMR-NB Codec DoS Attempt - CVE-2026-5654
id: scw-2026-04-30-ai-1
status: experimental
level: medium
description: |
Detects the execution of Wireshark with a file extension commonly associated with AMR audio, which could be an attempt to trigger the AMR-NB codec vulnerability (CVE-2026-5654) leading to a Denial of Service. This rule targets the specific application and file type involved in the vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-04-30
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-5654/
tags:
- attack.execution
- attack.t1204.002
logsource:
category: process_creation
detection:
selection:
Image|endswith:
- 'wireshark.exe'
CommandLine|contains:
- '.amr'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-5654 | vulnerability | CVE-2026-5654 |
| CWE-121 | weakness | CWE-121 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 30, 2026 at 10:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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