CVE-2023-33383

MEDIUM

Shelly 4PM Pro <0.11.0 - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-33383. PoCs published by The Security Team [exploitsecurity.io].

AI-analyzed exploit summary This exploit leverages an out-of-bounds read vulnerability in Shelly PRO 4PM firmware v0.11.0 to bypass authentication via Bluetooth Low Energy (BLE) GATT commands. It sends a series of crafted payloads to specific characteristics to trigger the vulnerability.

Description

Shelly 4PM Pro four-channel smart switch 0.11.0 allows an attacker to trigger a BLE out of bounds read fault condition that results in a device reload.

Exploits (1)

exploitdb WORKING POC
by The Security Team [exploitsecurity.io] · textremotehardware
https://www.exploit-db.com/exploits/51657

This exploit leverages an out-of-bounds read vulnerability in Shelly PRO 4PM firmware v0.11.0 to bypass authentication via Bluetooth Low Energy (BLE) GATT commands. It sends a series of crafted payloads to specific characteristics to trigger the vulnerability.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: Shelly PRO 4PM v0.11.0
No auth needed
Prerequisites: Bluetooth access to the target device · gatttool installed · sudo privileges
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 5.3
EPSS 0.0056
EPSS Percentile 68.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (1)
shelly/pro_4pm_firmware 0.11.0
Published Aug 02, 2023
Tracked Since Feb 18, 2026