CVE-2025-59604: Qualcomm Snapdragon Memory Corruption Vulnerability – HIGH Severity

Technical summary

This vulnerability stems from a null pointer dereference (CWE-476) during a memory copy operation. When the affected code path attempts to write to memory without first validating that a critical pointer has been properly initialized, it can write to arbitrary memory locations or cause a crash. The CVSS v3.1 vector (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) indicates local attack vector, low complexity, low privilege requirement, and high impact across confidentiality, integrity, and availability. This suggests the vulnerability resides in kernel or firmware-level code accessible to local processes with limited privileges.

Business impact

Exploitation could allow an attacker to escalate privileges on affected mobile devices, potentially gaining access to sensitive user data, compromised device functionality, or persistent control. For organizations managing fleets of devices running affected Snapdragon chipsets—including enterprise Android deployments—this represents a significant risk to device security posture and data protection compliance. The breadth of affected processor generations means remediation planning must span multiple device models and manufacturers.

Affected systems

The vulnerability affects a wide range of Qualcomm Snapdragon mobile platforms, including the budget-oriented 480 and 662 series, mid-range 6 and 7 series (across multiple generations), high-end 7+ and 8 Elite lineups, and compute-focused 7c+ platforms. Both the processor firmware and the mobile platform components are listed as vulnerable. Device manufacturers using these chipsets—including Samsung, Xiaomi, OPPO, and others—must coordinate patching efforts with Qualcomm.

Exploitability

Exploitation requires local code execution with low-level privileges; no user interaction or special configuration is needed once an attacker achieves initial code execution on the device. The low complexity and broad processor coverage suggest this is not a convoluted edge case but a more straightforward memory safety issue. However, practical exploitation typically requires chaining with another vulnerability to gain initial local access, making this a secondary or tertiary exploitation vector in a real-world attack chain rather than a standalone entry point.

Remediation

Remediation requires a firmware update from Qualcomm addressing the null pointer validation in the affected memory copy routine. Device manufacturers must integrate this patch into their respective firmware builds and distribute updates through their normal OTA or security patch channels. Verification that the patch has been deployed should be validated against the specific firmware version reported on each device, as Qualcomm's security updates are often cumulative.

Patch guidance

Contact Qualcomm through official security advisory channels and your device manufacturer's security updates page for patched firmware versions. Qualcomm typically publishes security patches as part of monthly security bulletins; verify the specific firmware version numbers that address this CVE against Qualcomm's official security advisory. Organizations should prioritize patching high-end and mid-range devices first due to their prevalence in enterprise deployments, then extend to budget-tier devices. Test patches in a controlled environment before mass deployment.

Detection guidance

At the host level, monitor system logs and crash dumps for kernel panics or memory access violations originating from the affected memory copy routines. Firmware-level instrumentation or vendor-specific security tools may detect malformed memory writes. At the network level, detection is limited since the vulnerability requires local execution; focus detection efforts on identifying devices that have not yet received the patch through device inventory and firmware version scanning. Endpoint detection and response (EDR) solutions may identify privilege escalation attempts following exploitation.

Why prioritize this

Despite the HIGH CVSS score and broad device impact, this vulnerability requires pre-existing local code execution and is not listed on CISA's Known Exploited Vulnerabilities (KEV) catalog. Prioritize based on device inventory exposure (count and role of affected Snapdragon devices), your threat model's likelihood of local compromise, and dependencies on affected processor generations. Organizations with strict BYOD policies or those managing consumer devices should elevate priority; those with tightly controlled enterprise-only fleets may defer slightly pending patch availability confirmation.

Risk score, explained

The CVSS 7.8/10 HIGH score reflects the local attack requirement (AV:L), low attack complexity (AC:L), and moderate privilege threshold (PR:L), balanced against severe impact—high confidentiality, integrity, and availability compromise (C:H, I:H, A:H). The score does not account for exploitation tooling maturity or real-world deployment frequency, which should inform your internal risk weighting. Organizations running numerous consumer or mid-market devices with affected chipsets should treat this as functionally CRITICAL until patches are deployed; those with limited exposure may view it as HIGH but deferred.

Frequently asked questions