CVE-2019-6241
In Bevywise MQTTRoute 1.1 build 1018-002, a connect packet combined with a malformed unsubscribe request packet can be used to cause a Denial of Service attack against the broker.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Bevywise MQTTRoute 1.1 build 1018-002, a connect packet combined with a malformed unsubscribe request packet can be used to cause a Denial of Service attack against the broker.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.39% probability · 72th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- bevywise/mqttroute
- Source
- cve@mitre.org
EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/insi2304/MQTTRoute-fuzz/blob/master/MQTT_Route_crash.pngExploit, Third Party Advisory
- https://github.com/insi2304/MQTTRoute-fuzz/blob/master/MQTT_Route_crash.pngExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.