Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:C/RE:L/U:RedCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2026-75969 is a critical-severity Missing Authentication for Critical Function (CWE-306) vulnerability. Its CVSS base score is 9.1 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique External Remote Services (T1133); ranked at the 27th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to AC-14 (Permitted Actions Without Identification or Authentication) and AC-3 (Access Enforcement) — see the control section below for these in your framework.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-90084
Vulnerability Data
Missing authentication for critical function vulnerability for all PTZOptics cameras and the Firmware Upgrade Tool - Firmware Update modules. A missing authentication vulnerability in the firmware update mechanism of affected PTZOptics cameras allows an unauthenticated user to install modified firmware…
more
on the device without administrator credentials. This vulnerability allows attackers to upload modified firmware to the device without admin credentials. This issue affects: * Move 4K 12X before: 0.0.98 * Move 4K 20X before: 0.1.33 * Move 4K 30X before: 2.1.17 * Link 4K 12X before: 0.0.99 * Link 4K 20X before: 0.1.37 * Link 4K 30X before: 2.1.18 * Move SE 12X before: 9.1.66 * Move SE 20X before: 9.1.44 * Move SE 30X before: 9.1.46 * Studio 4K 12X before: 8.3.32 * Studio 4K 20X before: 8.3.32 * Studio SE 12X before: 8.3.32 * Studio SE 20X before: 8.3.32 * All Generation 2 cameras, including: PT12X-SDI-GY-G2, PT12X-SDI-WH-G2, PT12X-NDI-GY-G2, PT12X-NDI-WH-G2; PT12X-USB-GY-G2, PT12X-USB-WH-G2; PT20X-SDI-GY-G2, PT20X-SDI-WH-G2, PT20X-NDI-GY-G2, PT20X-NDI-WH-G2; PT20X-USB-GY-G2, PT20X-USB-WH-G2; PT30X-SDI-GY-G2, PT30X-SDI-WH-G2, PT30X-NDI-GY-G2, PT30X-NDI-WH-G2; PTVL-ZCAM, PTVL-NDI-ZCAM; PTEPTZ-ZCAM-G2, PTEPTZ-NDI-ZCAM-G2; PT12X-ZCAM, PT12X-NDI-ZCAM; PT20X-ZCAM, PT20X-NDI-ZCAM; Studio Pro - All versions * Upgrade Tool - All versions
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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- 6 hardening rules · 3 OS baselines
V6.2.3V6.4.4V10.4.16V12.1.3
Mitigating Controls (NIST 800-53 r5) AI
Explicitly identifies and limits actions permitted without authentication, preventing critical functions from being exposed.
Access enforcement requires prior authentication before any authorization decision for critical functions.
Directly mandates unique identification and authentication of users before access to functions requiring identity.
Extends the same authentication requirement to non-organizational users accessing critical functionality.
Requires authentication of services before they can invoke or expose critical functions.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Directly requires authentication of users/services/hardware, which eliminates missing authentication for critical functions.
Managing identities and credentials is a prerequisite for authentication but does not itself enforce it on critical functions.
Defining and enforcing authorizations assumes prior authentication and therefore only partially mitigates the absence of authentication.
Protecting networks from unauthorized access can be undermined by missing authentication but does not address the root authentication gap.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
A.8.5 mandates choosing and enforcing appropriate strong/multi-factor authentication techniques (with anti-brute-force, session, and log-on protections) that directly stop exploitation of missing auth on critical functions; the bounded remainder is non-interactive critical functions (e.g. unauthenticated APIs or resources) outside its user/entity authentication focus.
Hardening callouts derived
Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (higher-evidence rows only; rows rated `none` are excluded).
Oracle Linux 8 (2 rules)
- V-248585 OL 8 must require reauthentication when using the "sudo" command. blocks CWE-306
- V-248827 OL 8 must not have the rsh-server package installed. blocks CWE-306
RHEL 7 (2 rules)
- V-204442 The Red Hat Enterprise Linux operating system must not have the rsh-server package installed. blocks CWE-306
- V-237635 The Red Hat Enterprise Linux operating system must require re-authentication when using the "sudo" command. blocks CWE-306
RHEL 8 (2 rules)
- V-230492 RHEL 8 must not have the rsh-server package installed. blocks CWE-306
- V-237643 RHEL 8 must require re-authentication when using the "sudo" command. blocks CWE-306