CVE-2026-25302 Improper Verification of Cryptographic Signature in Boot
Attackers can bypass signature checks to mount unsigned images, enabling code execution and privilege escalation on Qualcomm Snapdragon devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25302?
CVE-2026-25302 is a high-severity vulnerability in Qualcomm Ar8035 Firmware, published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cryptographic Issue when processing non-ELF partitions, authentication and signature checks are bypassed, allowing unsigned or corrupted images to be mounted and processed.
Weakness: CWE-347
Which versions are affected by CVE-2026-25302?
It affects 292 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Cologne Firmware, Qualcomm Cq2390m Firmware, Qualcomm Cq2390s Firmware, Qualcomm Cq7790 Firmware, Qualcomm Cq7790m Firmware and 286 more.
How do I fix CVE-2026-25302?
No fix has been published for CVE-2026-25302 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-25302 being exploited?
There is no known exploitation of CVE-2026-25302 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-5mfp-688h-g4r8.