CVE-2024-26000 PHOENIX CONTACT: Out of bounds read only memory access
Unauthenticated remote attackers can read out-of-bounds memory in the MQTT stack of PHOENIX CONTACT CHARX SEC devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-26000?
CVE-2024-26000 is a medium-severity vulnerability in PHOENIX CONTACT CHARX SEC-3000, published on 12 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker can read memory out of bounds due to improper input validation in the MQTT stack. The brute force attack is not always successful because of memory randomization.
Weakness: CWE-125
Which versions are affected by CVE-2024-26000?
It affects 4 products.
Products include Phoenixcontact Charx Sec-3000 Firmware, Phoenixcontact Charx Sec-3050 Firmware, Phoenixcontact Charx Sec-3100 Firmware, Phoenixcontact Charx Sec-3150 Firmware.
How do I fix CVE-2024-26000?
No fix has been published for CVE-2024-26000 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-26000 being exploited?
There is no known exploitation of CVE-2024-26000 in the wild and no public exploit code.
Other vulnerabilities in PHOENIX CONTACT CHARX SEC-3000
- CVE-2025-25270 Remote Code Execution via Unauthenticated Configuration Manipulation
- CVE-2024-25995 PHOENIX CONTACT: Remote code execution in CHARX Series
- CVE-2025-25268 Unauthenticated Configuration Access via Exposed API Endpoint
- CVE-2025-25271 OCPP Backend Configuration via Insecure Defaults
- CVE-2024-26288 PHOENIX CONTACT: Lack of SSL support in CHARX Series
Sources
Also known as GHSA-3q3p-mxc5-jrmq.