CVE-2026-13561
MEDIUMA vulnerability was detected in Edimax EW-7478APC 1.04. The impacted element is the function formiNICbasic of the file /goform/formiNICbasic of the component POST Request Handler. The manipulation of the argument rootAPmac results in os command injection. The attack may be performed from remote....
Full CISO analysis pending enrichment.
What systems are affected?
| Package | Ecosystem | Vulnerable Range | Patched |
|---|---|---|---|
| EW-7478APC | — | — | No patch |
Do you use EW-7478APC? You're affected.
How severe is it?
What is the attack surface?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2026-13561?
A vulnerability was detected in Edimax EW-7478APC 1.04. The impacted element is the function formiNICbasic of the file /goform/formiNICbasic of the component POST Request Handler. The manipulation of the argument rootAPmac results in os command injection. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Is CVE-2026-13561 actively exploited?
No confirmed active exploitation of CVE-2026-13561 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-13561?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-13561?
CVE-2026-13561 has a CVSS v3.1 base score of 6.3 (MEDIUM).
What are the technical details?
Original Advisory
A vulnerability was detected in Edimax EW-7478APC 1.04. The impacted element is the function formiNICbasic of the file /goform/formiNICbasic of the component POST Request Handler. The manipulation of the argument rootAPmac results in os command injection. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weaknesses (CWE)
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-77 — Improper Neutralization of Special Elements used in a Command ('Command Injection'): The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
- [Architecture and Design] If at all possible, use library calls rather than external processes to recreate the desired functionality.
- [Implementation] If possible, ensure that all external commands called from the program are statically created.
Source: MITRE CWE corpus.
CVSS Vector
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 References
- lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formiNICbasic-34b53a41781f8052bc69c85481124dff broken-link exploit
- vuldb.com/cve/CVE-2026-13561 third-party-advisory
- vuldb.com/submit/844111 third-party-advisory
- vuldb.com/vuln/374569 vdb-entry technical-description
- vuldb.com/vuln/374569/cti signature permissions-required