CVE-2024-6788
criticalpriority · track · 39OT risk · elevatedEPSS 0.005 · 43 %ileDEEURUUSEPSS · scored 2026-10-27
A remote unauthenticated attacker can use the firmware update feature on the LAN interface of the device to reset the password for the predefined, low-privileged user “user-app” to the default password.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedphoenix_contact_psirt
Phoenix Contact strongly recommends upgrading affected charge controllers to firmware version 1.6.3 or higher which fixes these vulnerabilities.
- Workaroundphoenix_contact_psirt
Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to General Recommendation.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.6–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
- phoenixcontact charx sec-3000 firmware< 1.6.3nvdUScpe:2.3:o:phoenixcontact:charx_sec-3000_firmware:*:*:*:*:*:*:*:*
- phoenixcontact charx sec-3050 firmware< 1.6.3nvdUScpe:2.3:o:phoenixcontact:charx_sec-3050_firmware:*:*:*:*:*:*:*:*
- phoenixcontact charx sec-3100 firmware< 1.6.3nvdUScpe:2.3:o:phoenixcontact:charx_sec-3100_firmware:*:*:*:*:*:*:*:*
- phoenixcontact charx sec-3150 firmware< 1.6.3nvdUScpe:2.3:o:phoenixcontact:charx_sec-3150_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- VDE-2024-022Phoenix Contact: Security Advisory for CHARX-SEC3xxx Charge controllers2024-08-13csaf · phoenix_contact_psirtDE
Start sequence for firewall service allows attack during the boot process. Password is reset to default when the device undergoes a firmware upgrade.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cert.vde.com/en/advisories/VDE-2024-022cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-6788/cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2024-6788cnnvd
- https://www.phoenixcontact.com/Patchcnnvd
- https://cert.vde.com/en/advisories/VDE-2024-022enisa_euvd
- https://cert.vde.com/en/advisories/VDE-2024-022Third Party Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan