Cyber Resilience

CVE-2024-26001

High

Published: 12 March 2024

Published
12 March 2024
Modified
24 January 2025
KEV Added
Patch
CVSS Score v3.1 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS Score 0.0037 59.4th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-26001 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Phoenixcontact Charx Sec-3000 Firmware. Its CVSS base score is 7.4 (High).

Operationally, ranked in the top 40.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

phoenixcontact
charx sec-3000 firmware
≤ 1.5.1
phoenixcontact
charx sec-3050 firmware
≤ 1.5.1
phoenixcontact
charx sec-3100 firmware
≤ 1.5.1
phoenixcontact
charx sec-3150 firmware
≤ 1.5.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References