HOMEVULNERABILITIESCVE-2026-34019
MEDIUM

CVE-2026-34019

CWE-410Published: May 13, 2026· Updated: May 13, 2026

5.3
CVSS v3.1
EPSS:0.07%probability of exploitation in 30 daysPercentile:21.3th

Official Description

When Bidirectional Forwarding Detection (BFD) is configured in Static and Dynamic routing protocols, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to stop processing BFD packets and cause the configured routing protocol to fail over.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

NVD Source

Technical Analysis

CVE-2026-34019 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (1)

Quick Facts

CVE IDCVE-2026-34019
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-410
CISA KEVNo
EPSS (30d)0.07%
PublishedMay 13, 2026

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-34019 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.