Security readout for executives and security teams
Plain-English summary
CVE-2026-36734 affects EDIMAX BR-6428nS V3 firmware 1.15. A logged-in attacker on the network could abuse WLAN configuration input to run system commands on the router. This can compromise confidentiality, integrity, and availability of the device.
Executive priority
Prioritize remediation for any affected router used in business networks, especially where untrusted users can reach its management functions. Risk is high because successful exploitation could give command execution on a network edge device.
Technical view
The CVE describes an authenticated network command injection flaw in WLAN configuration functionality, mapped to CWE-77. CVSS 3.1 is 8.8 high, with low attack complexity, low privileges required, no user interaction, and high impact across CIA.
Likely exposure
Exposure is most likely where EDIMAX BR-6428nS V3 devices running firmware 1.15 are reachable by untrusted users on the local or management network. The CVE data does not identify other affected versions or models.
Exploitation context
The record requires authentication and network access. The source bundle does not show CISA KEV listing or confirmed active exploitation. Public disclosure material exists on GitHub, but this assessment does not rely on or reproduce exploit details.
Researcher notes
Evidence is limited to the CVE record and linked public disclosure. The CVE names EDIMAX BR-6428nS V3 1.15 and WLAN configuration command injection. No official patch, vendor advisory, broader version range, or active exploitation confirmation is present in the provided sources.
Mitigation direction
- Inventory EDIMAX BR-6428nS V3 devices and confirm firmware version 1.15 exposure.
- Check EDIMAX/vendor guidance for firmware updates or official mitigations.
- Restrict router administration and WLAN configuration access to trusted networks only.
- Review and rotate router administrative credentials where exposure is suspected.
- Monitor for unusual configuration changes or device behavior.
Validation and detection
- Confirm device model and firmware version from administrative inventory or device UI.
- Verify management interfaces are not reachable from untrusted network segments.
- Review logs, if available, for unexpected WLAN configuration changes.
- Check CVE and vendor advisories for updated affected-version and remediation details.
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-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-36734 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
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
SSVC decision data
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/theShinigami/CVE-Disclosures/tree/main/CVE-2026-36734CVE reference, mitre
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.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.