CVE-2025-10547 CVE-2025-10547
An uninitialized variable in DrayTek Vigor routers allows remote attackers to execute arbitrary code via memory corruption in the HTTP CGI component.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-10547?
CVE-2025-10547 is a critical memory corruption vulnerability in DrayTek Corporation Vigor 2927 LTE, published on 3 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An uninitialized variable in the HTTP CGI request arguments processing component of Vigor Routers running DrayOS may allow an attacker the ability to perform RCE on the appliance through memory corruption.
Which versions are affected by CVE-2025-10547?
How do I fix CVE-2025-10547?
No fix has been published for CVE-2025-10547 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-10547 being exploited?
There is no known exploitation of CVE-2025-10547 in the wild and no public exploit code.
Sources
Also known as GHSA-crjf-w852-343r.