What is the CVSS score of CVE-2025-21482?

CVE-2025-21482 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-21482?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

315 5g Iot Modem Firmware CVE-2025-21482

HIGH

Cryptographic Issues (CWE-310)

2025-09-24 product-security@qualcomm.com

7.1

CVSS 3.1 · Vendor: qualcomm

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Vulnerability Assessment

Weakness	CWE CWE-310 OWASP Top 10:2025 A04:2025 - Cryptographic Failures ASVS 5.0 V11 - Cryptography Cryptographic controls
Impact	CVSS score of 7.1 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.01%.
Exploit ScenarioDerived	Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Cryptographic issue while performing RSA PKCS padding decoding. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-310. Cryptographic issue while performing RSA PKCS padding decoding. Affected products include: Qualcomm 315 5G Iot Modem Firmware, Qualcomm 9205 Lte Modem Firmware, Qualcomm 9206 Lte Modem Firmware, Qualcomm 9207 Lte Modem Firmware, Qualcomm Apq8017 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (qualcomm) PRIMARY 7.1 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Primary rating from Vendor (qualcomm) · only source for this CVE.

CVSS VectorVendor: qualcomm

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

DescriptionCVE.org

Cryptographic issue while performing RSA PKCS padding decoding.

Executive ViewAI

Why It Matters

Organizations using Cryptographic face moderate risk from CVE-2025-21482 rated CVSS 7.1. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: Moderate

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls to limit exposure; (2) Enable enhanced monitoring and alerting; (3) Apply principle of least privilege.

Threat Intelligence Overview

EPSS Score

0.0%

Top 98% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +36

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:o:qualcomm:315_5g_iot_modem_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:9205_lte_modem_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:9206_lte_modem_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:9207_lte_modem_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_wear_1300_platform_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_wear_4100\+_platform_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x12_lte_modem_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x20_lte_modem_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x24_lte_modem_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x35_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x5_lte_modem_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x50_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x55_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x62_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x65_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x70_modem-rf_system_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x72_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_x75_5g_modem-rf_system_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_xr1_platform_firmware:-:*:*:*:*:*:*:*

+ 268 more

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References

Advisories & patches

ADVISORY https://docs.qualcomm.com/product/publicresources/securitybulletin/september-2025-bulletin.html ADVISORY https://vuldb.com/vuln/325733

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