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Vulnerability

CWE-306

CWE-306 is a software weakness classification for systems that let users access sensitive functions or resources without requiring authentication first.

Known aliases

  • CWE-306
  • missing-authentication flaws
  • Missing Authentication for Critical Function

Current stories

securityOne report1 publisher

CISA says every version of Monta's charging platform lets attackers pose as EV chargers

CISA lists four CVEs in every version of Monta's EV-charging platform that let attackers pose as charging stations. Monta is phasing out unauthenticated access on a rolling basis and has not said when it will finish.

Publishers:cisa.gov

Reality

Evidence62
Adoption
Not scored
Hype gap+5
Incentives35
Confidence60
securityConfirmed3 publishers

Rapid7 counted 8,539 high-severity CVEs and 40 exploited ones. Patch coverage is now a vanity metric

Disclosures doubled year over year while actually-exploited vulnerabilities rose 8%. The arithmetic retires patch-everything SLAs and leaves exploitability triage as the defensible option.

Perspective Coverage

3 publishers
Builder
Builder 12%
Operator
Operator 76%
Investor
Investor 12%

Reality

Evidence62
Adoption
Not scored
Hype gap+30
Incentives70
Confidence60
securityOne report1 publisher

Siemens Reyrolle 7SR5 relays generate session tokens an unauthenticated attacker can compute

Siemens has released V2.70 for the Reyrolle 7SR5 protection relay. The CISA advisory behind it describes a session identifier an unauthenticated remote attacker can derive, plus five memory bugs in an embedded third-party web server.

Publishers:cisa.gov

Reality

Evidence70
Adoption
Not scored
Hype gap0
Incentives45
Confidence72
securityOne report1 publisher

mySCADA myPRO Manager takes privileged commands from anyone who can reach its API

CISA says mySCADA myPRO Manager 2.1 and earlier does not enforce authentication on its command API or on the notification gateway that sends SMS through a connected GSM modem. Version 2.2 fixes both.

Publishers:cisa.gov

Reality

Evidence70
Adoption
Not scored
Hype gap0
Incentives30
Confidence68
securityOne report1 publisher

Two of seven unpatched CareCam CM2507 camera flaws let anyone on the network view live video

CISA published seven CVEs against a single CareCam firmware build, one of them a privileged account that accepts an empty password. Its remediation section points users to a vendor that has not answered CISA.

Publishers:cisa.gov

Reality

Evidence72
Adoption
Not scored
Hype gap−10
Incentives22
Confidence66
securityOne report1 publisher

Unauthenticated request pulls plaintext admin credentials off Digital Watchdog VMAX recorders

Every version of five Digital Watchdog VMAX recorder lines ships with a web path that returns administrator passwords in the clear. CISA says the same devices can be used to pivot onto the network behind them.

Publishers:cisa.gov

Reality

Evidence68
Adoption
Not scored
Hype gap+10
Incentives25
Confidence70
securityOne report1 publisher

iDirect iQ-Series terminals return their satellite authentication IDs to unauthenticated callers

ST Engineering's iQ200 answers /api/identity for anyone with network access, handing back the serial number, Device ID and Terminal Private Key identifier that CISA says the platform authenticates with. The fix is 4.5.3.0.

Publishers:cisa.gov

Reality

Evidence72
Adoption30
Hype gap−18
Incentives20
Confidence68
buildOne report1 publisher

Two agent sandboxes ship an unauthenticated shell endpoint on every interface

Cua's auth check keyed on a container variable while its bind default listened everywhere, and the pair scored 9.8. AutoAgent's blunter version had no fixed release when the records went out.

Publishers:dev.to

Reality

Evidence62
Adoption32
Hype gap+8
Incentives35
Confidence55
securityOne report1 publisher

Unconfigured Tycon TPDIN monitors hand full relay control to anyone on the network

CISA's advisory on the Tycon TPDIN-Monitor-WEB2 covers two flaws below firmware 2.4.5, and the first needs no exploit at all, only a unit whose installer never set the password the vendor expected.

Publishers:cisa.gov

Reality

Evidence68
Adoption20
Hype gap+5
Incentives32
Confidence64
securityOne report1 publisher

Rockwell's ControlFLASH installer gave the Everyone group write access to its own program folder

CVE-2026-12663 covers every ControlFLASH build through V15.07, where any local account on an engineering workstation could stage code that runs with the privileges of the next engineer to open the firmware updater.

Publishers:cisa.gov

Reality

Evidence66
Adoption
Not scored
Hype gap−8
Incentives34
Confidence70
securityOne report1 publisher

A CRLF injection in IXON's VPN client gives unauthenticated callers root that survives reboot

CVE-2026-75925 lets anything that reaches the client's local configuration interface plant directives in a file a privileged subprocess later runs. Since 5 August 2026 IXON's cloud has refused clients below 1.4.7, which is what actually breaks the chain.

Publishers:cisa.gov

Reality

Evidence68
Adoption40
Hype gap−10
Incentives58
Confidence62
securityOne report1 publisher

Two PaperCut flaws chain into pre-auth code execution on every version of NG and MF

PaperCut says the advisory covers all releases of NG and MF, that exploitation is already happening in customer environments, and that its fix is an emergency patch built outside the normal release process.

Publishers:horizon3.ai

Reality

Evidence62
Adoption45
Hype gap+12
Incentives70
Confidence55
securityOne report1 publisher

Anritsu tells spectrum monitor owners to fence the device instead of fixing it

CISA's March 31 advisory assigns CVE-2026-3356 to all versions of four Anritsu Remote Spectrum Monitor models whose management interface has no authentication to switch on. The vendor has no plans to fix it.

Publishers:cisa.gov

Reality

Evidence70
Adoption
Not scored
Hype gap−12
Incentives30
Confidence62
securityOne report1 publisher

Xiiaozet's LK100W lets an unauthenticated caller switch on its admin services

CISA's August 27 advisory lists three flaws in the LK100W below firmware 2.1.240, and one of them hands an attacker the authenticated position another one requires. The firmware is the only device-specific fix.

Publishers:cisa.gov

Reality

Evidence76
Adoption
Not scored
Hype gap+12
Incentives22
Confidence70
securityOne report1 publisher

Thirteen CVEs land on the Ebyte NA111-M while the vendor stops answering CISA

An unauthenticated attacker reaches administrative functions on the Ebyte gateway's web management interface, and with the vendor silent, the response asset owners still control is where the device sits.

Publishers:cisa.gov

Reality

Evidence72
Adoption
Not scored
Hype gap+8
Incentives30
Confidence60
securityOne report1 publisher

Siemens IoT2050 gateways ship a Node-RED interface that asks nobody for a password

A CISA advisory says SIMATIC IoT2050 Advanced units below firmware V4.3.4.1 let an unauthenticated request reach Node-RED programming nodes and run code at maximum privileges.

Publishers:cisa.gov

Reality

Evidence78
Adoption
Not scored
Hype gap−8
Incentives45
Confidence70
securityOne report1 publisher

CISA's Ebyte advisory carries no fixed version, because the vendor stopped answering

CISA says Ebyte confirmed the bug reports and said a fix was in development, then went quiet. Owners of the NE2-D11 gateway now have to plan around firmware that may never be replaced.

Publishers:cisa.gov

Reality

Evidence76
Adoption28
Hype gap−6
Incentives22
Confidence68