Security readout for executives and security teams
Plain-English summary
CVE-2026-10166 is a command injection issue in Edimax BR-6478AC firmware 1.23. An authenticated remote attacker could potentially run system commands through the router’s wireless settings handler. Public exploit information exists, but the supplied sources do not show confirmed active exploitation or a vendor patch.
Executive priority
Prioritize remediation where these routers protect business networks or expose administration beyond trusted operators. The issue is not KEV-listed, but command injection on a network device with public exploit details justifies near-term action.
Technical view
The vulnerable component is /goform/formWlbasic, specifically the formWlbasic POST request handler. Manipulation of the rootAPmac argument can trigger command injection. The CVSS v2 score is 6.5 with network access, low complexity, and single authentication required. CWE mappings are CWE-74 and CWE-77.
Likely exposure
Exposure is limited to Edimax BR-6478AC devices running firmware 1.23, especially where the administrative interface is reachable from untrusted networks. The CVSS vector and CTI tags indicate permissions are required, so unauthenticated internet-wide exploitation is not supported by the supplied evidence.
Exploitation context
The VulDB record says the exploit has been publicly disclosed and may be used. KEV is false, and the supplied sources do not cite active exploitation in the wild. Treat this as credible public proof-of-concept risk, not confirmed mass exploitation.
Researcher notes
Evidence names the vulnerable argument and handler, but source detail is incomplete on vendor patch status, affected hardware revisions, and real-world exploitation. Avoid assuming broader Edimax impact without additional vendor confirmation.
Mitigation direction
- Identify Edimax BR-6478AC devices and confirm firmware version 1.23 exposure.
- Check Edimax and VulDB guidance for firmware updates or vendor mitigations.
- Restrict router administration to trusted management networks only.
- Disable remote administration if it is not operationally required.
- Replace or retire affected devices if no supported fix is available.
Validation and detection
- Confirm whether any Edimax BR-6478AC firmware 1.23 devices are deployed.
- Review router settings for management exposure from WAN or guest networks.
- Check administrative logs for unexpected configuration changes or logins.
- Verify compensating controls block untrusted access to router administration.
- Track CVE and vendor sources for patch or mitigation updates.
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-74: 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 lookupCWE-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-2026-10166 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
- 6.5 (2.0)
- Known Exploited
- No
- Published
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
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
4 official scoresWe 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.
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR86.4VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R2.83.4VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R2.83.4VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P——VulDBVulnerability scoring details
Base CVSS 4.0 score
5.3MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Base CVSS 3.0 score
6.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Base CVSS 2.0 score
6.5MediumVector: AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineVulDB
Advisory disclosed
- Source timelineVulDB
VulDB entry created
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineVulDB
VulDB entry last update
- 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
- VDB-367418 | Edimax BR-6478AC POST Request formWlbasic command injectionCVE reference, VulDB · vdb-entry, technical-description
- VDB-367418 | CTI Indicators (IOB, IOC, TTP, IOA)CVE reference, VulDB · signature, permissions-required
- Submit #818623 | Edimax BR6478ACV2 BR6478ACV2_v1.23 Command InjectionCVE reference, VulDB · third-party-advisory
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formWlbasic-34b53a41781f80edb1e5e0104741dfb2?source=copy_linkCVE reference, VulDB · exploit
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 in Output Used by a Downstream Component ('Injection')
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
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.