CVE-2025-27073 Reachable Assertion in WLAN Firmware
A reachable assertion in Qualcomm Snapdragon WLAN firmware allows attackers to cause a transient denial of service during NDP instance creation.
- 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-2025-27073?
CVE-2025-27073 is a high-severity denial of service vulnerability in Qualcomm Ar8035 Firmware, published on 6 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS while creating NDP instance.
Weakness: CWE-617
Which versions are affected by CVE-2025-27073?
It affects 170 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Immersive Home 214 Platform Firmware and 164 more.
How do I fix CVE-2025-27073?
No fix has been published for CVE-2025-27073 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-2025-27073 being exploited?
There is no known exploitation of CVE-2025-27073 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Ar8035 Firmware
- CVE-2023-33106 Qualcomm Multiple Chipsets Use of Out-of-Range Pointer Offset
- CVE-2024-45569 Improper Validation of Array Index in WLAN Host Communication
- CVE-2024-21473 Improper Input Validation in WIN SON
- CVE-2023-28582 Buffer Copy Without Checking Size of Input in Data Modem
- CVE-2023-43552 Use After Free in WLAN Host Communication
Sources
Also known as GHSA-h73x-845j-84q5.