Security readout for executives and security teams
Plain-English summary
This flaw can expose switch user passwords in clear text through the device’s web administration interface and HTTP responses. A low-privileged authenticated user could recover valid credentials, creating risk of unauthorized administrative access or network configuration changes.
Executive priority
Prioritize assessment if these switches manage sensitive or production network segments. The issue can expose credentials, increasing the chance of unauthorized device control, but public sources provided do not confirm active exploitation or a named patch.
Technical view
CVE-2026-27516 affects Binardat 10G08-0800GSM switch firmware V300SP10260209 and prior, per the CVE description. The issue is plaintext password exposure in administrative UI/HTTP responses, mapped to CWE-201 and CWE-317. CVSS 4.0 score is 8.6 high, with network access and low privileges required.
Likely exposure
Organizations using Binardat 10G08-0800GSM managed switches with the affected firmware are potentially exposed, especially if the web management interface is reachable by broader internal networks or remotely.
Exploitation context
The provided sources do not indicate active exploitation, and the CVE is not listed as KEV. Exploitation requires network reachability and low privileges, then may allow recovery of valid credentials from exposed administrative data.
Researcher notes
The source bundle contains a version inconsistency: the affected object lists version “0,” while the description states V300SP10260209 and prior. Treat the description and advisory as the practical exposure basis, and verify details against vendor guidance.
Mitigation direction
- Check Binardat and VulnCheck guidance for firmware updates or vendor-recommended mitigations.
- Restrict access to the switch web administration interface to trusted management networks.
- Disable remote management exposure where not operationally required.
- Review and reduce low-privileged accounts on affected switches.
- Rotate switch credentials after applying vendor remediation or containment.
Validation and detection
- Inventory Binardat 10G08-0800GSM switches and record firmware versions.
- Identify devices running V300SP10260209 or earlier, per the CVE description.
- Confirm web management interfaces are not exposed to untrusted networks.
- Review administrative account lists and remove unnecessary users.
- Monitor switch logs for unusual administrative access or configuration changes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-201: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-317: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-27516 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (4.0)
- Known Exploited
- No
- Published
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
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
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——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.6HighVector: 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
Source materials
- CVE List V5 sourceCVE List V5
- 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-switchCVE reference · product
- https://www.vulncheck.com/advisories/binardat-10g08-0800gsm-network-switch-plaintext-password-exposureCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Insertion of Sensitive Information Into Sent Data
Insertion of Sensitive Information Into Sent Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Cleartext Storage of Sensitive Information in GUI
Cleartext Storage of Sensitive Information in GUI represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.