Qualcomm Wi-Fi Firmware HT40 Layout Memory Corruption
CVE-2026-25268 Published on July 6, 2026
Stack-based Buffer Overflow in WLAN Host
Memory Corruption when processing invalid HT40 channel layouts during dynamic channel switching operations.
Vulnerability Analysis
CVE-2026-25268 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
Weakness Type
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2026-25268 has been classified to as a Stack Overflow vulnerability or weakness.
Products Associated with CVE-2026-25268
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Affected Versions
Qualcomm, Inc. Snapdragon:- Version 5G Fixed Wireless Access Platform is affected.
- Version AR8035 is affected.
- Version CQ7790 is affected.
- Version CQ8725S is affected.
- Version CSR8811 is affected.
- Version FastConnect 6700 is affected.
- Version FastConnect 6900 is affected.
- Version FastConnect 7800 is affected.
- Version FWA Gen 3 Ultra Platform is affected.
- Version FWA Gen 5 Elite Platform is affected.
- Version Immersive Home 214 Platform is affected.
- Version Immersive Home 216 Platform is affected.
- Version Immersive Home 316 Platform is affected.
- Version Immersive Home 318 Platform is affected.
- Version Immersive Home 3210 Platform is affected.
- Version Immersive Home 326 Platform is affected.
- Version IPQ5010 is affected.
- Version IPQ5028 is affected.
- Version IPQ5300 is affected.
- Version IPQ5302 is affected.
- Version IPQ5312 is affected.
- Version IPQ5332 is affected.
- Version IPQ6000 is affected.
- Version IPQ6010 is affected.
- Version IPQ6018 is affected.
- Version IPQ8076 is affected.
- Version IPQ8078 is affected.
- Version IPQ9008 is affected.
- Version IPQ9048 is affected.
- Version IPQ9554 is affected.
- Version IPQ9570 is affected.
- Version IPQ9574 is affected.
- Version Kobuk is affected.
- Version Marina is affected.
- Version Networking Pro 1200 Platform is affected.
- Version Networking Pro 1210 Platform is affected.
- Version Networking Pro 1610 Platform is affected.
- Version Networking Pro 400 Platform is affected.
- Version Networking Pro 600 Platform is affected.
- Version Networking Pro 610 Platform is affected.
- Version Networking Pro 800 Platform is affected.
- Version Networking Pro 810 Platform is affected.
- Version Orne is affected.
- Version QCA0000 is affected.
- Version QCA4024 is affected.
- Version QCA6174A is affected.
- Version QCA8075 is affected.
- Version QCA8080 is affected.
- Version QCA8081 is affected.
- Version QCA8082 is affected.
- Version QCA8084 is affected.
- Version QCA8085 is affected.
- Version QCA8101 is affected.
- Version QCA8102 is affected.
- Version QCA8111 is affected.
- Version QCA8112 is affected.
- Version QCA8337 is affected.
- Version QCA8384 is affected.
- Version QCA8385 is affected.
- Version QCA8386 is affected.
- Version QCA9888 is affected.
- Version QCA9889 is affected.
- Version QCC710 is affected.
- Version QCF8000 is affected.
- Version QCF8001 is affected.
- Version QCM5430 is affected.
- Version QCM6490 is affected.
- Version QCN5022 is affected.
- Version QCN5024 is affected.
- Version QCN5052 is affected.
- Version QCN5122 is affected.
- Version QCN5124 is affected.
- Version QCN5152 is affected.
- Version QCN5154 is affected.
- Version QCN5164 is affected.
- Version QCN5224 is affected.
- Version QCN6023 is affected.
- Version QCN6024 is affected.
- Version QCN6112 is affected.
- Version QCN6122 is affected.
- Version QCN6132 is affected.
- Version QCN6224 is affected.
- Version QCN6274 is affected.
- Version QCN6402 is affected.
- Version QCN6412 is affected.
- Version QCN6422 is affected.
- Version QCN6432 is affected.
- Version QCN9000 is affected.
- Version QCN9012 is affected.
- Version QCN9013 is affected.
- Version QCN9022 is affected.
- Version QCN9024 is affected.
- Version QCN9070 is affected.
- Version QCN9100 is affected.
- Version QCN9160 is affected.
- Version QCN9274 is affected.
- Version QFW7114 is affected.
- Version QFW7124 is affected.
- Version QFW7224 is affected.
- Version QMX82L is affected.
- Version QMX85L is affected.
- Version Qualcomm Video Collaboration VC3 Platform is affected.
- Version QXM8083 is affected.
- Version SAR2130P is affected.
- Version SDX61 is affected.
- Version SDX65M is affected.
- Version SDX81 is affected.
- Version Snapdragon 460 Mobile Platform is affected.
- Version Snapdragon 662 Mobile Platform is affected.
- Version Snapdragon Auto 5G Modem-RF is affected.
- Version Snapdragon X62 5G Modem-RF System is affected.
- Version Snapdragon X65 5G Modem-RF System is affected.
- Version Snapdragon X72 5G Modem-RF System is affected.
- Version Snapdragon X75 5G Modem-RF System is affected.
- Version SW-only is affected.
- Version WCD9340 is affected.
- Version WCD9370 is affected.
- Version WCD9375 is affected.
- Version WCD9380 is affected.
- Version WCD9385 is affected.
- Version WCN3950 is affected.
- Version WCN3988 is affected.
- Version WCN6755 is affected.
- Version WCN7861 is affected.
- Version WCN7881 is affected.
- Version WSA8830 is affected.
- Version WSA8832 is affected.
- Version WSA8835 is affected.