CVE-2026-13581

MEDIUM 5.3 PoC AVAILABLE

Published 2026-06-29 · Last modified 2026-06-30

A vulnerability was detected in Edimax EW-7478APC 1.04. This vulnerability affects the function formStaDrvSetup of the file /goform/formStaDrvSetup of the component POST Request Handler. The manipulation of the argument rootAPmac results in os command injection. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

1.2%chance of exploitation in 30 days · 63rd percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

5.3CVSS 4.0 · MEDIUM

ConfidentialityLow
IntegrityLow
AvailabilityLow

What an attacker needs

✓Access: Reachable over the network — no local access needed
⚠Privileges: Requires a low-privilege account
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable
✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

PoC https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formStaDrvSetup-34b53a41781f80a5805cfe72d78b76df

Listed for defensive triage and patch prioritization.

Affected

Vendors Edimax

Products Ew 7478apc

Weakness (CWE)

CWE-78: OS command injection
CWE-77: Command injection

CVSS vector

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

References

Sources: NVD · CVE.org · EPSS