Security readout for executives and security teams
Plain-English summary
CVE-2020-37096 affects Edimax EW-7438RPn Mini firmware 1.13. A malicious website could change the extender’s MAC filtering settings, adding unauthorized MAC addresses without the owner’s consent. Business impact is limited but real: weakened Wi-Fi access controls on affected small-office or branch devices.
Executive priority
Treat as a targeted hygiene issue, not an enterprise emergency. Prioritize if these extenders protect sensitive networks, remote sites, or unmanaged small offices. Replace, update, or isolate affected devices if vendor remediation is unavailable.
Technical view
The issue is a CWE-352 cross-site request forgery in the MAC filtering configuration interface of Edimax EW-7438RPn Mini 1.13. Sources describe integrity impact only: unauthorized modification of filtering rules. The CVSS 3.1 score is 5.3, but the supplied description implies user deception is part of the attack path.
Likely exposure
Exposure is most likely where EW-7438RPn Mini devices running firmware 1.13 are still deployed and administered through a browser. Risk increases if administrators browse untrusted sites from a session that can reach the device management interface.
Exploitation context
ExploitDB is listed as a public exploit reference, so proof-of-concept information appears publicly available. There is no KEV listing in the supplied data, and no cited source states active exploitation in the wild.
Researcher notes
Evidence is limited to the CVE description, VulnCheck advisory, product page, and ExploitDB reference. The supplied CVSS vector lists UI:N, while the narrative describes tricking users with malicious pages, which is typical CSRF behavior. No vendor fix is named in the provided sources.
Mitigation direction
- Identify EW-7438RPn Mini devices and confirm firmware versions.
- Check Edimax guidance for firmware updates or configuration recommendations.
- Restrict access to the device management interface to trusted networks.
- Avoid browsing untrusted sites from browsers used for device administration.
- Review MAC filtering rules for unexpected or unauthorized entries.
Validation and detection
- Inventory range extenders and match model EW-7438RPn Mini.
- Verify whether firmware version 1.13 is installed.
- Inspect MAC filtering configuration for unauthorized MAC addresses.
- Confirm management interface is not reachable from untrusted networks.
- Review administrative browsing practices for these devices.
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-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2020-37096 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
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A: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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-48366CVE reference · exploit
- Edimax EW-7438RPn Product HomepageCVE reference · product
- VulnCheck Advisory: Edimax EW-7438RPn - Cross-Site Request Forgery (MAC Filtering)CVE 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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
