CVE-2024-40763 Memory corruption in SMA100
Remote authenticated attackers can trigger a heap-based buffer overflow in SonicWall SMA100 SSLVPN, potentially leading to arbitrary code execution.
- 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-2024-40763?
CVE-2024-40763 is a high-severity memory corruption vulnerability in SonicWall SMA100, published on 5 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Heap-based buffer overflow vulnerability in the SonicWall SMA100 SSLVPN due to the use of strcpy. This allows remote authenticated attackers to cause Heap-based buffer overflow and potentially lead to code execution.
Weakness: CWE-122
Which versions are affected by CVE-2024-40763?
It affects 5 products.
Products include Sonicwall Sma 200 Firmware, Sonicwall Sma 210 Firmware, Sonicwall Sma 400 Firmware, Sonicwall Sma 410 Firmware, Sonicwall Sma 500v Firmware.
How do I fix CVE-2024-40763?
No fix has been published for CVE-2024-40763 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-2024-40763 being exploited?
There is no known exploitation of CVE-2024-40763 in the wild and no public exploit code.
Other vulnerabilities in SonicWall SMA100
- CVE-2021-20038 SonicWall SMA 100 Appliances Stack-Based Buffer Overflow
- CVE-2023-44221 SonicWall SMA100 Appliances OS Command Injection
- CVE-2021-20035 SonicWall SMA100 Appliances OS Command Injection
- CVE-2022-22273 Command injection in SonicWall SRA/SMA100
- CVE-2021-20042 Server-side request forgery in SonicWall SMA100
Sources
Also known as GHSA-x6p6-q78g-6q5q.