The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators.
Volume of CVEs assigned to CWE-912 and their average CVSS base score over time.
Top CVEs that have been assigned this CWE. A single CVE can have multiple CWE assignments, though many have just one.
80 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2024-20439CRITICAL A vulnerability in Cisco Smart Licensing Utility (CSLU) could allow an unauthenticated, remote attacker to log into an affected system by using a static administrative credential.
| Sep 4, 2024 | 9.8 | 97 | YES | YES |
CVE-2021-25371MEDIUM A vulnerability in DSP driver prior to SMR Mar-2021 Release 1 allows attackers load arbitrary ELF libraries inside DSP. | Mar 26, 2021 | 6.7 | 58 | YES | NO |
CVE-2025-47729MEDIUM The TeleMessage archiving backend through 2025-05-05 holds cleartext copies of messages from TM SGNL (aka Archive Signal) app users, which is different functionality than described | May 8, 2025 | 4.9 | 54 | YES | NO |
CVE-2025-34117CRITICAL A remote code execution vulnerability exists in multiple Netcore and Netis routers models with firmware released prior to August 2014 due to the presence of an undocumented backdoo | Jul 16, 2025 | 9.3 | 53 | NO | YES |
CVE-2010-20103CRITICAL A malicious backdoor was embedded in the official ProFTPD 1.3.3c source tarball distributed between November 28 and December 2, 2010. The backdoor implements a hidden FTP command t | Aug 20, 2025 | 9.8 | 47 | NO | YES |
CVE-2011-10018CRITICAL myBB version 1.6.4 was distributed with an unauthorized backdoor embedded in the source code. The backdoor allowed remote attackers to execute arbitrary PHP code by injecting paylo | Aug 13, 2025 | 9.8 | 44 | NO | YES |
CVE-2026-4769CRITICAL Certain devices in the WAGO System I/O Field series activate an internal diagnostic capability during the initial startup sequence. This functionality is not formally documented an | Jul 13, 2026 | 9.8 | 43 | NO | NO |
CVE-2025-32370CRITICAL Kentico Xperience before 13.0.178 has a specific set of allowed ContentUploader file extensions for unauthenticated uploads; however, because .zip is processed through TryZipProvid | Apr 6, 2025 | 9.8 | 40 | NO | YES |
CVE-2021-24867CRITICAL Numerous Plugins and Themes from the AccessPress Themes (aka Access Keys) vendor are backdoored due to their website being compromised. Only plugins and themes downloaded via the v | Feb 21, 2022 | 9.8 | 40 | NO | NO |
CVE-2026-7413CRITICAL A hidden, persistent backdoor was found in Yarbo firmware v2.3.9 that provides remote, unauthenticated (or weakly authenticated) access to privileged functionality. The backdoor is | May 7, 2026 | 9.8 | 36 | NO | NO |
Exploit activity across CVEs assigned to this CWE, including CVEs that carry other CWE assignments.
Social posts that mention CVE IDs assigned to this CWE. This is assigned-CVE activity, not mentions of the CWE label itself.
Media articles that mention CVE IDs assigned to this CWE. This is assigned-CVE coverage, not mentions of the CWE label itself.