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Ar8035 Firmware CVE-2025-47373

HIGH
Out-of-bounds Write (CWE-787)
2026-03-02 product-security@qualcomm.com
Memory Corruption Qualcomm Ar8035 Firmware Cologne Firmware Fastconnect 6200 Firmware Fastconnect 6700 Firmware Fastconnect 6900 Firmware Fastconnect 7800 Firmware Fwa Gen 3 Ultra Firmware G1 Gen 1 Firmware G2 Gen 1 Firmware Iq 615 Firmware Iq 8275 Firmware Iq 8300 Firmware Iq 9075 Firmware Iq 9100 Firmware Lemans Au Lgit Firmware Lemansau Firmware Milos Firmware Monaco Iot Firmware Netrani Firmware Orne Firmware Palawan25 Firmware Pandeiro Firmware Qam8255p Firmware Qam8295p Firmware Qam8620p Firmware Qamsrv1h Firmware Qamsrv1m Firmware Qca0000 Firmware Qca6174a Firmware Qca6391 Firmware Qca6574 Firmware Qca6574a Firmware Qca6574au Firmware Qca6584au Firmware Qca6595 Firmware Qca6595au Firmware Qca6678aq Firmware Qca6688aq Firmware Qca6696 Firmware Qca6698aq Firmware Qca6698au Firmware Qca6797aq Firmware Qca8081 Firmware Qca8337 Firmware Qca8695au Firmware Qcc710 Firmware Qcm4325 Firmware Qcm4490 Firmware Qcm5430 Firmware Qcm6490 Firmware Qcn6224 Firmware Qcn6274 Firmware Qcn9011 Firmware Qcn9012 Firmware Qcs4290 Firmware Qcs4490 Firmware Qcs8550 Firmware Qdx1010 Firmware Qdx1011 Firmware Qep8111 Firmware Qfw7114 Firmware Qfw7124 Firmware Qln1083bd Firmware Qln1086bd Firmware Qmp1000 Firmware Qpa1083bd Firmware Qpa1086bd Firmware Qru1032 Firmware Qualcomm Dragonwing Qru100 Platform Firmware Qualcomm Dragonwing X100 Accelerator Card Firmware Qxm1083 Firmware Qxm1086 Firmware Qxm1093 Firmware Qxm1094 Firmware Qxm1095 Firmware Qxm1096 Firmware Sa6145p Firmware Sa6150p Firmware Sa6155p Firmware Sa7255p Firmware Sa7775p Firmware Sa8145p Firmware Sa8150p Firmware Sa8155p Firmware Sa8195p Firmware Sa8255p Firmware Sa8295p Firmware Sa8540p Firmware Sa8620p Firmware Sa8770p Firmware Sa9000p Firmware Sar1165p Firmware Sar1250p Firmware Sar2130p Firmware Sar2230p Firmware Sc8380xp Firmware Sd662 Firmware Sm6225p Firmware Sm6650p Firmware Sm7435 Firmware Sm7550 Firmware Sm7550p Firmware Sm7635p Firmware Sm7675 Firmware Sm7675p Firmware Sm8475p Firmware Sm8550p Firmware Sm8635 Firmware Sm8635p Firmware Sm8650q Firmware Sm8750p Firmware Snapdragon 4 Gen 1 Mobile Platform Firmware Snapdragon 4 Gen 2 Mobile Platform Firmware Snapdragon 460 Mobile Platform Firmware Snapdragon 480 5g Mobile Platform Firmware Snapdragon 6 Gen 1 Mobile Platform Firmware Snapdragon 6 Gen 3 Mobile Platform Firmware Snapdragon 6 Gen 4 Mobile Platform Firmware Snapdragon 662 Mobile Platform Firmware Snapdragon 680 4g Mobile Platform Firmware Snapdragon 685 4g Mobile Platform Firmware Snapdragon 695 5g Mobile Platform Firmware Snapdragon 7 Gen 1 Mobile Platform Firmware Snapdragon 7s Gen 3 Mobile Platform Firmware Snapdragon 8 Elite Firmware Snapdragon 8 Elite Gen 5 Firmware Snapdragon 8 Gen 1 Firmware Snapdragon 8 Gen 1 Mobile Platform Firmware Snapdragon 8 Gen 2 Mobile Platform Firmware Snapdragon 8 Gen 3 Mobile Platform Firmware Snapdragon Ar1 Gen 1 Platform Firmware Snapdragon Auto 5g Modem Rf Gen 2 Firmware Snapdragon X32 5g Modem Rf System Firmware Snapdragon X35 5g Modem Rf System Firmware Snapdragon X72 5g Modem Rf System Firmware Snapdragon X75 5g Modem Rf System Firmware Srv1h Firmware Srv1l Firmware Srv1m Firmware Sw6100 Firmware Sw6100p Firmware Sxr2230p Firmware Sxr2250p Firmware Sxr2330p Firmware Sxr2350p Firmware Themisto Firmware Video Collaboration Vc3 Platform Firmware Wcd9340 Firmware Wcd9370 Firmware Wcd9371 Firmware Wcd9375 Firmware Wcd9378 Firmware Wcd9378c Firmware Wcd9380 Firmware Wcd9385 Firmware Wcd9390 Firmware Wcd9395 Firmware Wcn3910 Firmware Wcn3950 Firmware Wcn3988 Firmware Wcn6450 Firmware Wcn6650 Firmware Wcn6755 Firmware Wcn7860 Firmware Wcn7861 Firmware Wcn7880 Firmware Wcn7881 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8832 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware X2000077 Firmware X2000086 Firmware X2000090 Firmware X2000092 Firmware X2000094 Firmware Xg101002 Firmware Xg101032 Firmware Xg101039 Firmware Snapdragon 7 Gen 2 Mobile Platform Firmware
7.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, write limits
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS 7.8 (HIGH). Attack vector: Local. Complexity: Low. Privileges required: Low. User interaction: None.

Exploit ScenarioDerived

An attacker could exploit this vulnerability to compromise the 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 12, 2026

Memory Corruption when accessing buffers with invalid length during TA invocation. [CVSS 7.8 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible.

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

Classified as CWE-787 (Out-of-bounds Write). Affects Fastconnect 7800 Firmware. Memory Corruption when accessing buffers with invalid length during TA invocation.

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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 when accessing buffers with invalid length during TA invocation.

Executive ViewAI

Why It Matters

CVE-2025-47373 is a memory corruption vulnerability in Trusted Application invocation that could allow attackers to crash systems or potentially execute arbitrary code. Organizations using affected TA-dependent services face operational disruption and potential data compromise until remediation is deployed.

Business Impact: High
Compensating Controls

Implement network segmentation to restrict TA invocation access; disable non-critical TA features where possible; apply input validation and length-checking at application layer before TA invocation; monitor TA call logs for abnormal buffer patterns; maintain enhanced logging of all TA interactions for forensics; consider load balancer or WAF rules to filter malformed TA requests if architecture permits; maintain isolated test environment to validate patches immediately upon availability.

Threat Intelligence Overview

EPSS Score
0.0%
Top 98% exploitable
Data Quality
3 sources
Confidence: Low

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
No
Human Impact
High

Priority Score

39
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Affected Products (CPE)CVE.org

cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:fwa_gen_3_ultra_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:g1_gen_1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:g2_gen_1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:iq-615_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:iq-8275_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:iq-8300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:iq-9075_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:iq-9100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:lemans_au_lgit_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:lemansau_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:milos_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:monaco_iot_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:netrani_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:orne_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:palawan25_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pandeiro_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qam8620p_firmware:-:*:*:*:*:*:*:*
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