CVE-2024-33820 Memory corruption in n/a
A buffer overflow in the Totolink AC1200 router's boa server allows attackers to execute arbitrary code or cause a denial of service via the wlan_ssid field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-33820?
CVE-2024-33820 is a high-severity memory corruption vulnerability in Totolink A3002r Firmware, published on 1 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Totolink AC1200 Wireless Dual Band Gigabit Router A3002R_V4 Firmware V4.0.0-B20230531.1404 is vulnerable to Buffer Overflow via the formWlEncrypt function of the boa server. Specifically, they exploit the length of the wlan_ssid field triggers the overflow.
Weakness: CWE-120
Which versions are affected by CVE-2024-33820?
It affects 1 product.
Products include Totolink A3002r Firmware.
How do I fix CVE-2024-33820?
No fix has been published for CVE-2024-33820 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-2024-33820 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-33820 exists.
Other vulnerabilities in Totolink A3002r Firmware
Sources
Also known as GHSA-pccf-f85g-p7gq.