CVE-2021-33317 Null dereference in n/a
An attacker can crash the LLDP process on TRENDnet TI-PG1284i switches by sending a crafted packet, causing a denial of service.
- 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-2021-33317?
CVE-2021-33317 is a high-severity vulnerability in n/a, published on 11 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The TRENDnet TI-PG1284i switch(hw v2.0R) prior to version 2.0.2.S0 suffers from a null pointer dereference vulnerability. This vulnerability exists in its lldp related component. Due to fail to check if ChassisID TLV is contained in the packet, by sending a crafted lldp packet to the device, an attacker can crash the process due to null pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2021-33317?
It affects 9 products.
Products include Trendnet Teg-30102ws Firmware, Trendnet Ti-G102i Firmware, Trendnet Ti-G160i Firmware, Trendnet Ti-G642i Firmware, Trendnet Ti-Pg102i Firmware, Trendnet Ti-Pg1284i Firmware and 3 more.
How do I fix CVE-2021-33317?
No fix has been published for CVE-2021-33317 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-33317 being exploited?
There is no known exploitation of CVE-2021-33317 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mp5j-gcgv-qr44.