CVE-2024-35492

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-29 · updated 2026-06-17
Weakness: CWE-476

Description

Cesanta Mongoose commit b316989 was discovered to contain a NULL pointer dereference via the scpy function at src/fmt.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted MQTT packet.

Affected products

Cesanta Mongoose: b316989

References

https://github.com/zzh-newlearner/MQTT_Crash/blob/main/Mongoose_null_pointer.md
https://github.com/zzh-newlearner/MQTT_Crash/blob/main/Mongoose_null_pointer.md

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