CVE-2022-40535 Buffer Over-read in WLAN
A buffer over-read in Qualcomm WLAN firmware allows attackers to cause a transient denial of service by sending a crafted packet.
- 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-2022-40535?
CVE-2022-40535 is a high-severity denial of service vulnerability in Qualcomm Csr8811 Firmware, published on 7 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS due to buffer over-read in WLAN while sending a packet to device.
Which versions are affected by CVE-2022-40535?
It affects 71 products.
Products include Qualcomm Csr8811 Firmware, Qualcomm Ipq8070a Firmware, Qualcomm Ipq8071a Firmware, Qualcomm Ipq8072a Firmware, Qualcomm Ipq8074a Firmware, Qualcomm Ipq8076 Firmware and 65 more.
How do I fix CVE-2022-40535?
No fix has been published for CVE-2022-40535 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-40535 being exploited?
There is no known exploitation of CVE-2022-40535 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Csr8811 Firmware
- CVE-2024-33066 Improper Input Validation in WLAN Resource Manager
- CVE-2022-25652 Weak cryptography in Snapdragon Wired Infrastructure and Networking
- CVE-2023-33053 Improper Validation of Array Index in Kernel
- CVE-2022-40522 Double free in Linux Networking
- CVE-2024-33049 Buffer Over-read in WLAN Host Communication
Sources
Also known as GHSA-j5hh-f9rm-fx9x.