# CVE-2024-4791

## Summary

- **CVE ID:** CVE-2024-4791
- **Severity:** HIGH
- **CVSS Score:** 8.7 (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-404
- **Published:** May 12, 2024
- **Last Modified:** Mar 13, 2026

## Description

A vulnerability classified as critical was found in Contemporary Control System BASrouter BACnet BASRT-B 2.7.2. This vulnerability affects unknown code of the component Application Protocol Data Unit. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-263890 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## Affected Products

- Contemporary Control System — BASrouter BACnet BASRT-B (2.7.2)

## References

- [CNA](https://vuldb.com/?id.263890)
- [CNA](https://vuldb.com/?ctiid.263890)
- [CNA](https://vuldb.com/?submit.323630)
- [CNA](https://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASRT-B_2_CVE_apply.pdf)
- [CNA](https://github.com/isZzzz/BASRT-B_BACnet_Router_Document/blob/main/BASER-B_APDU.pcapng)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.27%
- **EPSS Percentile:** 67.9

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._