BACnet Stack 1.4.4/1.5.0/1.6.0-rc1 out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.3 | $0-$5k | 0.44+ |
Summary
A vulnerability classified as problematic has been found in BACnet Stack 1.4.4/1.5.0/1.6.0-rc1. Affected by this issue is some unknown functionality. Performing a manipulation results in out-of-bounds write. This vulnerability was named CVE-2026-52787. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.
Details
A vulnerability was found in BACnet Stack 1.4.4/1.5.0/1.6.0-rc1. It has been classified as problematic. This affects some unknown processing. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. The summary by CVE is:
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-rc2, a reachable out-of-bounds write exists when encoding the device.address-binding property. This issue has been patched in versions 1.4.5, 1.5.1, and 1.6.0-rc2.
It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-52787 since 06/08/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 1.4.5, 1.5.1 or 1.6.0-rc2 eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔒
CVSSv2
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: BACnet Stack 1.4.5/1.5.1/1.6.0-rc2
Timeline
06/08/2026 CVE reserved11/13/2026 Advisory disclosed
11/13/2026 VulDB entry created
11/13/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Confirmed
CNA: GitHub_M
CVE: CVE-2026-52787 (🔒)
GCVE (CVE): GCVE-0-2026-52787
GCVE (VulDB): GCVE-100-437163
Entry
Created: 11/13/2026 17:18Changes: 11/13/2026 17:18 (62)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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