Security readout for executives and security teams
Plain-English summary
CVE-2025-21480 is a high-severity Qualcomm Snapdragon graphics/GPU vulnerability. It can corrupt memory when unauthorized GPU micronode commands are executed in a specific sequence. CISA lists it in KEV, so organizations should treat affected Snapdragon-based devices as an active-risk population.
Executive priority
Treat this as a priority mobile and endpoint firmware issue, not a routine software bug. KEV status means exploitation is known, while the broad affected platform list raises asset-identification risk across phones, laptops, embedded devices, and wireless components.
Technical view
The issue is CWE-863 incorrect authorization leading to memory corruption in Snapdragon graphics/GPU handling. CVSS 3.1 is 8.6 with local access, low complexity, no privileges, required user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is tied to devices using the listed Qualcomm Snapdragon and related components, including many mobile, compute, modem, Wi-Fi, and audio platforms. The bundle does not identify specific phone, laptop, or OEM device models.
Exploitation context
Active exploitation is supported by the CISA Known Exploited Vulnerabilities listing for CVE-2025-21480. The provided CVSS vector indicates local attack conditions and user interaction, but the source bundle does not provide exploit mechanics or observed campaign details.
Researcher notes
The bundle identifies authorization failure and memory corruption in GPU micronode command handling, but lacks patch identifiers, affected OEM models, exploit detail, or forensic indicators. Researchers should focus on platform mapping, vendor bulletin correlation, and safe validation of update status.
Mitigation direction
- Inventory assets for the affected Qualcomm Snapdragon platforms listed in the CVE record.
- Review Qualcomm’s June 2025 bulletin and OEM advisories for applicable update guidance.
- Apply vendor or OEM updates where guidance confirms coverage for your platform.
- Prioritize managed assets because CISA KEV indicates known exploitation.
- Limit installation of untrusted local apps until vendor guidance is applied.
Validation and detection
- Map device hardware identifiers to Qualcomm platforms named in the CVE record.
- Compare device firmware and security patch status against Qualcomm and OEM advisories.
- Check CISA KEV for the current listing and remediation expectations.
- Verify update deployment through MDM, endpoint inventory, or OEM management tooling.
- Review crash and security telemetry for unusual graphics/GPU driver instability.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-21480 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.6 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H1.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.6HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2025-bulletin.htmlCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21480CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.