CVEbaza.plCWE DictionaryCWE-912
Common Weakness Enumeration

CWE-912

Hidden Functionality

Category: ClassCVE: 87
Description

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.

Extended Description

Hidden functionality can take many forms, such as intentionally malicious code, "Easter Eggs" that contain extraneous functionality such as games, developer-friendly shortcuts that reduce maintenance or support costs such as hard-coded accounts, etc. From a security perspective, even when the functionality is not intentionally malicious or damaging, it can increase the product's attack surface and expose additional weaknesses beyond what is already exposed by the intended functionality. Even if it is not easily accessible, the hidden functionality could be useful for attacks that modify the control flow of the application.

CVE vulnerabilities with CWE-912 (87)
10.0
CVSS
CRITICAL
CVE-2026-15413

The Link Factory WordPress plugin is a backdoor. Distributed as a "homepage sentence publisher", it exposes an operator-controlled REST API under /wp-json/link-factory/v1/ - authenticated by a detached Ed25519 signature verified against a hardcoded operator public key (except for the health check).

pub. 2026-08-13
10.0
CVSS
CRITICAL
CVE-2026-11976

The official MonsterInsights Pro update distribution bucket (`monster-insights.s3.amazonaws.com`) was compromised. Both the current release (10.2.2) and the version MonsterInsights rolled back to (10.2.0) contain a malicious file, `class-system-check.php`. Three distinct variants were observed on 2026-06-11, all sharing the same AES-256-GCM key, confirming a single threat actor. The attacker retains write access to the S3 bucket and has been actively iterating on the payload throughout the day.

pub. 2026-08-06
10.0
CVSS
CRITICAL
CVE-2026-14812

The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side request forgery and arbitrary front-end script/content injection, giving an unauthenticated attacker full control of the affected site.

pub. 2026-08-06
10.0
CVSS
CRITICAL
CVE-2026-3587

An unauthenticated remote attacker can exploit a hidden function in the CLI prompt to escape the restricted interface, leading to full compromise of the device.

pub. 2026-03-23
10.0
CVSS
CRITICAL
CVE-2011-10018

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 payloads into a specially crafted collapsed cookie. This vulnerability was introduced during packaging and was not part of the intended application logic. Exploitation requires no authentication and results in full compromise of the web server under the context of the web application.

pub. 2025-08-13
10.0
CVSS
CRITICAL
CVE-2024-39754

A static login vulnerability exists in the wctrls functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted set of network packets can lead to root access. An attacker can send packets to trigger this vulnerability.

pub. 2025-01-14
9.8
CVSS
CRITICAL
CVE-2026-17032

Multiple Supsystic Pro plugins were distributed with malicious code through the vendor's compromised update server, allowing unauthenticated attackers to deploy a second-stage payload that exfiltrates credentials and other sensitive data and grants full control of affected sites.

pub. 2026-08-06
9.8
CVSS
CRITICAL
CVE-2026-1952

Delta Electronics AS320T has denial of service via the undocumented subfunction vulnerability.

pub. 2026-04-24
9.8
CVSS
CRITICAL
CVE-2024-45697

Certain models of D-Link wireless routers have a hidden functionality where the telnet service is enabled when the WAN port is plugged in. Unauthorized remote attackers can log in and execute OS commands using hard-coded credentials.

pub. 2024-09-16
9.8
CVSS
CRITICAL
CVE-2024-20439

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. This vulnerability is due to an undocumented static user credential for an administrative account. An attacker could exploit this vulnerability by using the static credentials to login to the affected system. A successful exploit could allow the attacker to login to the affected system with administrative rights over the CSLU application API.

pub. 2024-09-04🚩 CISA KEV⚡ EXPLOIT
9.8
CVSS
CRITICAL
CVE-2024-5514

MinMax CMS from MinMax Digital Technology contains a hidden administrator account with a fixed password that cannot be removed or disabled from the management interface. Remote attackers who obtain this account can bypass IP access control restrictions and log in to the backend system without being recorded in the system logs.

pub. 2024-05-30
9.8
CVSS
CRITICAL
CVE-2024-28011

Hidden Functionality vulnerability in NEC Corporation Aterm WG1800HP4, WG1200HS3, WG1900HP2, WG1200HP3, WG1800HP3, WG1200HS2, WG1900HP, WG1200HP2, W1200EX(-MS), WG1200HS, WG1200HP, WF300HP2, W300P, WF800HP, WR8165N, WG2200HP, WF1200HP2, WG1800HP2, WF1200HP, WG600HP, WG300HP, WF300HP, WG1800HP, WG1400HP, WR8175N, WR9300N, WR8750N, WR8160N, WR9500N, WR8600N, WR8370N, WR8170N, WR8700N, WR8300N, WR8150N, WR4100N, WR4500N, WR8100N, WR8500N, CR2500P, WR8400N, WR8200N, WR1200H, WR7870S, WR6670S, WR7850S, WR6650S, WR6600H, WR7800H, WM3400RN, WM3450RN, WM3500R, WM3600R, WM3800R, WR8166N, MR01LN MR02LN, WG1810HP(JE) and WG1810HP(MF) all versions allows a attacker to execute an arbitrary OS command with the root privilege via the internet

pub. 2024-03-28
9.8
CVSS
CRITICAL
CVE-2023-24108

MvcTools 6d48cd6830fc1df1d8c9d61caa1805fd6a1b7737 was discovered to contain a code execution backdoor via the request package (requirements.txt). This vulnerability allows attackers to access sensitive user information and execute arbitrary code.

pub. 2023-02-22
9.8
CVSS
CRITICAL
CVE-2022-47767

A backdoor in Solar-Log Gateway products allows remote access via web panel gaining super administration privileges to the attacker. This affects Solar-Log devices that use firmware version v4.2.7 up to v5.1.1 (included). This does not exist in SL 200, 500, 1000 / fixed in 4.2.8 for SL 250, 300, 1200, 2000, SL 50 Gateway / fixed in 5.1.2 / 6.0.0 for SL Base.

pub. 2023-01-26
9.8
CVSS
CRITICAL
CVE-2022-46996

vSphere_selfuse commit 2a9fe074a64f6a0dd8ac02f21e2f10d66cac5749 was discovered to contain a code execution backdoor via the request package. This vulnerability allows attackers to access sensitive user information and digital currency keys, as well as escalate privileges.

pub. 2022-12-14
9.8
CVSS
CRITICAL
CVE-2022-46997

Passhunt commit 54eb987d30ead2b8ebbf1f0b880aa14249323867 was discovered to contain a code execution backdoor via the request package. This vulnerability allows attackers to access sensitive user information and digital currency keys, as well as escalate privileges.

pub. 2022-12-14
9.8
CVSS
CRITICAL
CVE-2022-3203

On ORing net IAP-420(+) with FW version 2.0m a telnet server is enabled by default and cannot permanently be disabled. You can connect to the device via LAN or WiFi with hardcoded credentials and get an administrative shell. These credentials are reset to defaults with every reboot.

pub. 2022-10-21
9.8
CVSS
CRITICAL
CVE-2021-24867

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 vendor website are affected, and those hosted on wordpress.org are not. However, all of them were updated or removed to avoid any confusion

pub. 2022-02-21
9.8
CVSS
CRITICAL
CVE-2021-43987

An additional, nondocumented administrative account exists in mySCADA myPRO Versions 8.20.0 and prior that is not exposed through the web interface, which cannot be deleted or changed through the regular web interface.

pub. 2021-12-23
9.8
CVSS
CRITICAL
CVE-2020-12504

Improper Authorization vulnerability of Pepperl+Fuchs P+F Comtrol RocketLinx ES7510-XT, ES8509-XT, ES8510-XT, ES9528-XTv2, ES7506, ES7510, ES7528, ES8508, ES8508F, ES8510, ES8510-XTE, ES9528/ES9528-XT (all versions) and ICRL-M-8RJ45/4SFP-G-DIN, ICRL-M-16RJ45/4CP-G-DIN FW 1.2.3 and below has an active TFTP-Service.

pub. 2020-10-15
Showing 20 of 87 vulnerabilities
Information
ID: CWE-912
Type: Class
Vulnerabilities: 87
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