CVE-2026-9296 Edimax BR-6428NS POST Request formWlanM system command injection
Remote attackers can execute arbitrary system commands on Edimax BR-6428NS routers via the formWlanM POST handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9296?
CVE-2026-9296 is a medium-severity command injection vulnerability in Edimax BR-6428NS, published on 23 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in Edimax BR-6428NS 1.10. This impacts the function system of the file /goform/formWlanM of the component POST Request Handler. Executing a manipulation of the argument ateFunc/ateGain/ateTxCount/ateChan/ateRate/ateMacID/e2pTxPower1/e2pTxPower2/e2pTxPower3/e2pTxPower4/e2pTxPower5/e2pTxPower6/e2pTxPower7/e2pTx2Power1/e2pTx2Power2/e2pTx2Power3/e2pTx2Power4/e2pTx2Power5/e2pTx2Power6/e2pTx2Power7/ateTxFreqOffset/ateMode/ateBW/ateAntenna/e2pTxFreqOffset/e2pTxPwDeltaB/e2pTxPwDeltaG/e2pTxPwDeltaMix/e2pTxPwDeltaN/readE2P can lead to command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-9296?
How do I fix CVE-2026-9296?
No fix has been published for CVE-2026-9296 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-9296 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9296 exists.
Sources
Also known as GHSA-4cf7-8gr7-m2jf.