What is the CVSS score of CVE-2024-43055?

CVE-2024-43055 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2024-43055?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Fastconnect 6900 Firmware CVE-2024-43055

HIGH

Classic Buffer Overflow (CWE-120)

2025-03-03 product-security@qualcomm.com

Buffer Overflow Qualcomm Fastconnect 6900 Firmware Fastconnect 7800 Firmware Sdm429w Firmware Snapdragon 8 Gen 1 Firmware Sxr2230p Firmware Sxr2250p Firmware Wcd9380 Firmware Wcd9385 Firmware Wcn3620 Firmware Wcn3660b Firmware Wsa8830 Firmware Wsa8832 Firmware Wsa8835 Firmware Snapdragon 429 Firmware

7.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-120 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V15 - Secure Coding and Architecture Buffer copy size validation MITRE ATT&CK 1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.03%.
Exploit ScenarioDerived	A local attacker with access to the system could overflow a buffer to corrupt adjacent memory.

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

Memory corruption while processing camera use case IOCTL call. Rated high severity (CVSS 7.8), 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. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

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 as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Memory corruption while processing camera use case IOCTL call. Affected products include: Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Sdm429W Firmware, Qualcomm Snapdragon 429 Firmware, Qualcomm Snapdragon 8 Gen 1 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Memory corruption while processing camera use case IOCTL call.

Executive ViewAI

Why It Matters

CVE-2024-43055 presents notable security risk, a buffer overflow vulnerability rated CVSS 7.8. Exploitation could allow attackers to corrupt memory, crash the application, or potentially execute arbitrary code. Organizations should apply vendor updates when available and consider compensating controls in the interim.

Business Impact: High

Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Enable ASLR and DEP where available; (2) Implement network segmentation; (3) Monitor for exploitation indicators.

Threat Intelligence Overview

EPSS Score

0.0%

Top 92% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +39

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Affected Products (CPE)CVE.org

cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sdm429w_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_429_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:snapdragon_8_gen_1_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sxr2230p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:sxr2250p_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:wcn3620_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:wcn3660b_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:wsa8832_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY https://docs.qualcomm.com/product/publicresources/securitybulletin/march-2025-bulletin.html

Search Externally

GitHub PoC

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