CVE Explorer

CVE-2026-41503

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's ReadPropertyMultiple service property decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending an RPM request with a truncated property list. The vulnerability stems from rpm_decode_object_property() calling the deprecated decode_tag_number_and_value() function at src/bacnet/rpm.c:344, which accepts no

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:76069f8a41194869151d84eae9063fd4251c4abe4bd6d785d762cafb23560e79

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"bacnet-stack","vendor":"bacnet-stack","versions":[{"status":"affected","version":">= 1.4.0, < 1.4.3"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:69d543680abc57a64b492b0e68d4c3f815fc6e2e5858962007bab54459037273 · sha256:aa5d70eeaa3b8f9f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:69d543680abc57a64b492b0e68d4c3f815fc6e2e5858962007bab54459037273 · sha256:aa5d70eeaa3b8f9f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:69d543680abc57a64b492b0e68d4c3f815fc6e2e5858962007bab54459037273 · sha256:aa5d70eeaa3b8f9f… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["exploit"],"url":"https://github.com/bacnet-stack/bacnet-stack/security/advisories/GHSA-5w2v-mwqj-pr2c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:69d543680abc57a64b492b0e68d4c3f815fc6e2e5858962007bab54459037273 · sha256:aa5d70eeaa3b8f9f… · /containers/adp/0/references/0

{"name":"https://github.com/bacnet-stack/bacnet-stack/security/advisories/GHSA-5w2v-mwqj-pr2c","tags":["x_refsource_CONFIRM"],"url":"https://github.com/bacnet-stack/bacnet-stack/security/advisories/GHSA-5w2v-mwqj-pr2c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:69d543680abc57a64b492b0e68d4c3f815fc6e2e5858962007bab54459037273 · sha256:aa5d70eeaa3b8f9f… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer