CVE-2025-21442
Qualcomm Qam8255P Firmware
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSummary
CVE-2025-21442 is a high-severity Integer Overflow to Buffer Overflow (CWE-680) vulnerability in Qualcomm Qam8255P Firmware. Its CVSS base score is 7.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SA-15 (Development Process, Standards, and Tools) — see the control section below for these in your framework.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-9990
Vulnerability Data
Memory corruption while transmitting packet mapping information with invalid header payload size.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Developer testing and analysis (static, dynamic, fuzzing) finds integer-overflow-to-allocation defects before deployment.
Mandates documented development standards and tools that enforce secure coding rules against unsafe integer arithmetic.
Requires engineering principles such as safe arithmetic and bounds-checked allocation that directly stop integer overflow during memory-size computation.
Validates untrusted size/offset inputs before they reach allocation calculations, structurally blocking the integer overflow path.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC practices directly prevent integer-overflow flaws during development, but eliminating only this CWE covers only part of the broad control intent.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing can detect integer-overflow-to-buffer-overflow conditions during development.
Secure development life cycle mandates practices that can catch integer overflows before deployment.
Application security requirements can specify safe integer handling and bounds checking.
Secure architecture principles encourage use of safe arithmetic libraries and overflow detection.
Secure coding standards directly require prevention of integer overflows that lead to buffer overflows.