CVE-2025-67114: Small Cell Sercomm SCE4255W firmware · Use of Weak Credentials
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 19 Mar 2026
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
- Immediate mitigation involves isolating affected devices from untrusted networks to reduce exposure until a patch is available.
- Monitor network traffic for unusual access patterns or unauthorized administrative logins to detect potential exploitation attempts.
- Implement network segmentation to limit the impact of a compromised device and restrict administrative access to trusted management networks only.
- Use MAC address filtering and strong network access controls to reduce the risk of attackers obtaining device MAC addresses easily.
- Engage with the vendor to obtain firmware updates or patches addressing this vulnerability as soon as they are released.
- Consider deploying additional authentication mechanisms or VPN tunnels for device management interfaces to add layers of security beyond the vulnerable credential generation.
- Maintain an inventory of all affected devices and prioritize remediation efforts based on exposure and criticality.
- Conduct regular security assessments and penetration testing focused on small cell infrastructure to identify and remediate similar weaknesses.
Description
Use of a deterministic credential generation algorithm in /ftl/bin/calc_f2 in Small Cell Sercomm SCE4255W (FreedomFi Englewood) firmware before DG3934v3@2308041842 allows remote attackers to derive valid administrative/root credentials from the device's MAC address, enabling authentication bypass and full device access.