How severe is CVE-2019-6241?

CVE-2019-6241 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-6241 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6241?

CVE-2019-6241 affects Bevywise Mqttroute. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-6241?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-6241 published?

CVE-2019-6241 was published on 2019-06-10 and last updated on 2026-06-17.

CVE-2019-6241

CVE-2019-6241 is a high-severity vulnerability in Bevywise Mqttroute with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Bevywise Mqttroute
Published: 2019-06-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-6241?: CVE-2019-6241 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-6241 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6241?: CVE-2019-6241 affects Bevywise Mqttroute. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6241?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-6241 published?: CVE-2019-6241 was published on 2019-06-10 and last updated on 2026-06-17.

References

https://github.com/insi2304/MQTTRoute-fuzz/blob/master/MQTT_Route_crash.png

Affected products (1)

cpe:2.3:a:bevywise:mqttroute:1.1:1018-002:*:*:*:*:*:*

More vulnerabilities in Bevywise Mqttroute

CVE-2022-35612 — Medium (CVSS 5.4): A cross-site scripting (XSS) vulnerability in MQTTRoute v3.3 and below allows attackers to execute arbitrary web…
CVE-2022-35611 — Medium (CVSS 4.3): A Cross-Site Request Forgery (CSRF) in MQTTRoute v3.3 and below allows attackers to create and remove dashboards.

All CVEs affecting Bevywise Mqttroute →