CVE-2026-4737 Use-After-Free Vulnerability in No-Chicken/Echo-Mate
A use-after-free flaw in the Echo-Mate kernel allows attackers to potentially execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4737?
CVE-2026-4737 is a high-severity use after free vulnerability in No-Chicken Echo-Mate, published on 24 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Use After Free vulnerability in No-Chicken Echo-Mate (SDK/rv1106-sdk/sysdrv/source/kernel/mm modules). This vulnerability is associated with program files rmap.C.
This issue affects Echo-Mate: before V250329.
Weakness: CWE-416
Which versions are affected by CVE-2026-4737?
How do I fix CVE-2026-4737?
No fix has been published for CVE-2026-4737 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-4737 being exploited?
There is no known exploitation of CVE-2026-4737 in the wild and no public exploit code.
Sources
Also known as GHSA-9ggv-h22v-vfqv.