CVSS 3.1
8.6 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:HCVE-2026-58498 BACnet Stack: Remote global-buffer-overflow in apps/router-ipv6/main.c routed APDU forwarding path
High (8.6) in bacnet-stack bacnet-stack.
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, there is a remote global-buffer-overflow in the official router-ipv6 application shipped with bacnet-stack, this results in an out-of-bounds write to the global transmit buffer under ASan. This issue has been patched in versions 1.4.5, 1.5.1, and 1.6.0.
Severity
- CWE
- CWE-787 Out-of-bounds Write
- Published
- Modified
- Assigned by
- GitHub_M (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
Ask an AI about this CVE
Show the prompt
Explain CVE-2026-58498 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-58498?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-58498?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-58498 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
Badge for a README or a site
An image that stays current: it is drawn from the data each time it is fetched (a host that proxies images, as GitHub does, may show its copy for a while). Markdown:
[](https://cve.bz/cve/CVE-2026-58498)
HTML:
<a href="https://cve.bz/cve/CVE-2026-58498"><img src="https://cve.bz/cve/badge/CVE-2026-58498.svg" alt="CVE-2026-58498"></a>
Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| bacnet-stack | < 1.4.5 |
| bacnet-stack | < 1.5.1 |
| bacnet-stack | < 1.6.0 |