Security readout for executives and security teams
Plain-English summary
A malformed network packet could crash vulnerable Wireshark versions while dissecting QNX6 QNET traffic. This affects the analyst workstation or monitoring system running Wireshark, not the underlying network service. Business impact is mainly disruption of packet analysis and possible loss of visibility during investigations.
Executive priority
Treat as a routine but real reliability issue for security operations tooling. Patch affected Wireshark systems, especially those used for incident response or network monitoring.
Technical view
The QNX6 QNET dissector in Wireshark 2.x before 2.0.6 mishandles MAC address data in packet-qnet6.c. A crafted packet can trigger an out-of-bounds read and application crash, producing denial of service against Wireshark packet parsing.
Likely exposure
Exposure is limited to environments running Wireshark 2.x before 2.0.6 that process live traffic or capture files containing QNX6 QNET packets.
Exploitation context
The provided sources describe remote denial of service through a crafted packet. The record is not in CISA KEV, and no supplied source states active exploitation.
Researcher notes
The evidence supports a parser crash caused by MAC address handling in the QNX6 QNET dissector. Severity data, CWE mapping, and broader product impact are incomplete in the supplied bundle.
Mitigation direction
- Upgrade Wireshark 2.x installations to version 2.0.6 or later.
- Prioritize analyst workstations and monitoring hosts that process untrusted captures.
- Handle untrusted packet captures in isolated analysis environments.
- Review Wireshark vendor guidance for any additional operational mitigations.
Validation and detection
- Inventory Wireshark versions across workstations, sensors, and forensic systems.
- Confirm no Wireshark 2.x installation remains below 2.0.6.
- Identify systems that parse QNX6 QNET traffic or untrusted packet captures.
- Check change records to confirm the Wireshark update was applied.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2016-7175 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wireshark.org/security/wnpa-sec-2016-50.htmlCVE reference · x_refsource_CONFIRM
- https://code.wireshark.org/review/16965CVE reference · x_refsource_CONFIRM
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=1396f6ad555178f6b81cc1a65f9cb37b2d99aebfCVE reference · x_refsource_CONFIRM
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11850CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.