CVE-2016-15056
Published: 14 November 2025
Summary
CVE-2016-15056 is a high-severity Insertion of Sensitive Information into Externally-Accessible File or Directory (CWE-538) vulnerability. Its CVSS base score is 8.7 (High).
Operationally, ranked in the top 30.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2016-10800
Vulnerability details
Ubee EVW3226 cable modem/routers firmware versions up to and including 1.0.20 store configuration backup files in the web root after they are generated for download. These backup files remain accessible without authentication until the next reboot. A remote attacker on…
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the local network can request 'Configuration_file.cfg' directly to obtain the backup archive. Because backup files are not encrypted, they expose sensitive information including the plaintext admin password, allowing full compromise of the device.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Pre- and post-publication reviews prevent insertion of sensitive information into externally-accessible public locations.
Monitors for sensitive information placed in externally accessible files or directories.
The map shows if data actions result in sensitive information being placed in externally accessible locations.
Isolation and eradication reduce the ability to exploit sensitive information inserted into externally-accessible files or directories.
Approved categorization forces identification of externally accessible files that contain sensitive content so they receive proper protection.
The pre-implementation review identifies externally accessible files or directories containing PII and drives access restrictions or removal.
Tainting makes it possible to determine when sensitive data has been removed from externally accessible files or directories.
OPSEC practices stop placement of supply-chain information into locations accessible to external parties.