CVE-2024-26001
PHOENIX CONTACT: Out of bounds write only memory access
An unauthenticated remote attacker can write 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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
PHOENIX CONTACT: Out of bounds write only memory access
An unauthenticated remote attacker can write 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.
- Record
CVE-2024-26001- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2024-23297
An unauthenticated remote attacker can write 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.
- Record
EUVD-2024-23297- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3p73-75xq-v9wv
An unauthenticated remote attacker can write memory out of bounds due to improper input...
An unauthenticated remote attacker can write 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.
- Record
GHSA-3p73-75xq-v9wv- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-20, CWE-787
- Updated
- 2026-11-02
NVD
An unauthenticated remote attacker can write 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.
- Record
CVE-2024-26001- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
- phoenix contact charx sec-3000
- phoenix contact charx sec-3050
- phoenix contact charx sec-3100
- phoenix contact charx sec-3150
- phoenixcontact charx sec-3000 firmware
- phoenixcontact charx sec-3050 firmware
- phoenixcontact charx sec-3100 firmware
- phoenixcontact charx sec-3150 firmware
- phoenixcontact charx sec 3000
- phoenixcontact charx sec 3050
- phoenixcontact charx sec 3100
- phoenixcontact charx sec 3150
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-26001 is a high vulnerability (CVSS 7.4) in Phoenix Contact Charx Sec-3000, published March 12, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.87%, the 59th percentile. No source names a fixed version.