CVE-2025-28146: Edimax AC1200 Wave 2 Dual-Band Gigabit Router BR-6478AC V3 1.0.15 was discovered to contain a command injectio

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CRITICAL 9.8REMOTEMITIGATE

CVE-2025-28146 is a critical-severity flaw (CVSS 9.8) affecting br-6478ac v3 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Edimax AC1200 Wave 2 Dual-Band Gigabit Router BR-6478AC V3 1.0.15 was discovered to contain a command injection vulnerability via fota_url in /boafrm/formLtefotaUpgradeQuectel

Why this priority

Critical severity
EPSS top 4%: very likely to be exploited
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	11.5% (top 4%)
CISA exploited list	No
Weakness	CWE-94
Published	2025-04-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: edimax

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-04 14:15 UTCPublished CVE record published
2026-06-17 09:04 UTCUpdated Record last modified

edimax br-6478ac v3 firmware MITIGATE

Affected: 1.0.15

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.15

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · ibus-typing-booster · FIXED · 2.31.3-1.eln159 · FEDORA-2026-c895c68d60 · source

sudo dnf upgrade --advisory=FEDORA-2026-c895c68d60

Fedora 46 · perl-WWW-OrangeHRM-Client · FIXED · 0.12.0-21.fc46 · FEDORA-2026-2d14efca09 · source

sudo dnf upgrade --advisory=FEDORA-2026-2d14efca09

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: gist.github.com/regainer27/469a6f2b694a76c3b58249b27fdd0881
Write-up: github.com/regainer27/edimax-br-6478ac_v3-br-6478ac_v3_1.0.15/tree/main/3

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-28146?

br-6478ac v3 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-28146 being exploited?

CVE-2025-28146 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-28146 affect?

CVE-2025-28146 affects br-6478ac v3 firmware. Severity is critical (CVSS 9.8). Edimax AC1200 Wave 2 Dual-Band Gigabit Router BR-6478AC V3 1.0.15 was discovered to contain a command injection vulnerability via fota_url in /boafrm/formLtefotaUpgradeQuectel

How urgent is CVE-2025-28146?

Priority 71/100. Critical severity; EPSS top 4%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-14092 MEDIUM 4.7 MITIGATE A security vulnerability has been detected in Edimax BR-6478AC V3 1.0.15
CVE-2025-14093 MEDIUM 4.7 MITIGATE A vulnerability was detected in Edimax BR-6478AC V3 1.0.15
CVE-2025-14094 MEDIUM 4.7 MITIGATE A flaw has been found in Edimax BR-6478AC V3 1.0.15
CVE-2025-28145 MEDIUM 6.5 MITIGATE Edimax AC1200 Wave 2 Dual-Band Gigabit Router BR-6478AC V3 1.0.15 was discovered to contain a command injectio
CVE-2025-28144 MEDIUM 6.5 MITIGATE Edimax AC1200 Wave 2 Dual-Band Gigabit Router BR-6478AC V3 1.0.15 was discovered to contain a stack overflow v

References

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