CVE-2024-45162: Blu-Castle BCUM221E · Stack-based Buffer Overflow
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Immediately restrict network access to the phddns client interface by implementing strict firewall rules and network segmentation to isolate Blu-Castle BCUM221E devices from untrusted networks.
- Disable the phddns client service if it is not essential for operations to reduce the attack surface.
- Monitor authentication logs and network traffic for unusual or repeated failed password attempts that could indicate exploitation attempts.
- Engage with Blu-Castle or authorized vendors to obtain firmware updates or patches as soon as they become available.
- Implement intrusion detection systems (IDS) with signatures or anomaly detection tailored to detect buffer overflow exploitation attempts targeting this device.
- Conduct regular security assessments and penetration tests focusing on OT and network devices to identify similar vulnerabilities.
- Maintain an inventory of all Blu-Castle devices and their firmware versions to prioritize patching and mitigation efforts.
Description
A stack-based buffer overflow issue was discovered in the phddns client in Blu-Castle BCUM221E 1.0.0P220507 via the password field.