CVE-2026-27516
Info Disclosure in Binardat 10G08-0800Gsm Firmware ≤ V300SP10260209
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/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:X/V:X/RE:X/U:XSummary
CVE-2026-27516 is a high-severity Insertion of Sensitive Information Into Sent Data (CWE-201) vulnerability in Binardat 10G08-0800Gsm Firmware. Its CVSS base score is 8.6 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Network Sniffing (T1040); ranked at the 8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified map to AC-3 (Access Enforcement) and AC-4 (Information Flow Enforcement) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2026-27516 is a vulnerability in the Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior, where user passwords are exposed in plaintext within the administrative interface and HTTP responses. This flaw allows recovery of valid credentials and carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N). It maps to CWE-201 (Exposure of Sensitive Information to an Unauthorized Actor) and CWE-317 (Cleartext Storage of Sensitive Information).
The vulnerability can be exploited by any unauthenticated attacker with network access to the affected switch, requiring low complexity and no user interaction. Successful exploitation enables the attacker to read plaintext passwords from the admin interface or HTTP responses, compromising confidentiality and potentially leading to full administrative control over the device.
Advisories and vendor resources provide further details on the issue, including the VulnCheck advisory at https://www.vulncheck.com/advisories/binardat-10g08-0800gsm-network-switch-plaintext-password-exposure and the Binardat product page at https://www.binardat.com/products/8-port-10-gigabit-sfp-managed-switch,-support-1g-sfp-and-10g-sfp-module,-160gbps-bandwidth,-l3-web-managed,-metal-fanless-fiber-binardat-network-switch.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-8533
Vulnerability Data
Binardat 10G08-0800GSM network switch firmware version V300SP10260209 and prior expose user passwords in plaintext within the administrative interface and HTTP responses, allowing recovery of valid credentials.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
—
—
- 1 hardening rule · 1 OS baseline
V14.2.3
Mitigating Controls (NIST 800-53 r5) AI
Directly enforces policy-based information flow rules that block transmission of sensitive data to unauthorized actors.
Enforces authorizations on logical access so that sensitive data is not released to unauthorized recipients.
Requires validation of outbound information to ensure sensitive content is not disclosed in responses or messages.
Obscures authentication feedback in the GUI, directly stopping cleartext display of sensitive credentials.
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.
Protecting data-at-rest confidentiality directly prevents cleartext GUI storage of sensitive data.
Secure SDLC practices directly prevent insertion of sensitive data into application outputs and messages.
Monitoring runtime data flows and outputs can detect sensitive data being transmitted.
Protecting data-in-transit can include filtering or encrypting to avoid exposing sensitive content.
Protecting data-in-use includes removing confidential values before they are processed or sent.
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.
Data masking directly prevents cleartext display of sensitive GUI data.
Classification identifies sensitive data so it is not inadvertently transmitted.
Labelling makes sensitive data visible to developers and prevents accidental inclusion in outbound messages.
Information-transfer rules directly govern what data may be sent to external parties.
PII-protection requirements reduce the chance of sending personal data to unauthorized recipients.
DLP controls inspect and block outbound flows that contain sensitive information.