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CVE-2026-62974 BACnet Stack: Remote unauthenticated DoS in `Life_Safety_Zone` `PROP_ZONE_MEMBERS` WriteProperty parsing

8.7 high

High (8.7) in bacnet-stack bacnet-stack.

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BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to versions 1.4.5, 1.5.1, and 1.6.0, a malformed but non-empty BACnet WriteProperty request can drive the official server demo into a non-terminating request-processing loop with repeated heap-backed side effects. This results in a remote unauthenticated denial of service via uncontrolled resource consumption and a non-terminating request path. This issue has been patched in versions 1.4.5, 1.5.1, and 1.6.0.

Severity

CVSS 4.0

8.7 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
CWE-835 Loop with Unreachable Exit Condition (Infinite Loop)
Published
Modified
Assigned by
GitHub_M (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
bacnet-stack< 1.4.5
bacnet-stack< 1.5.1
bacnet-stack< 1.6.0

References

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