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Aqt1000 Firmware CVE-2021-30288

HIGH
Out-of-bounds Write (CWE-787)
2021-10-20 product-security@qualcomm.com
Buffer Overflow Memory Corruption Qualcomm Aqt1000 Firmware Ar8031 Firmware Ar8035 Firmware Csr8811 Firmware Csra6620 Firmware Csra6640 Firmware Csrb31024 Firmware Ipq5010 Firmware Ipq5028 Firmware Ipq6000 Firmware Ipq6010 Firmware Ipq6018 Firmware Ipq6028 Firmware Ipq8070 Firmware Ipq8070a Firmware Ipq8071 Firmware Ipq8071a Firmware Ipq8072 Firmware Ipq8072a Firmware Ipq8074 Firmware Ipq8074a Firmware Ipq8076 Firmware Ipq8076a Firmware Ipq8078 Firmware Ipq8078a Firmware Ipq8173 Firmware Ipq8174 Firmware Msm8996au Firmware Qca2062 Firmware Qca2064 Firmware Qca2065 Firmware Qca2066 Firmware Qca4024 Firmware Qca6174a Firmware Qca6310 Firmware Qca6335 Firmware Qca6391 Firmware Qca6420 Firmware Qca6421 Firmware Qca6426 Firmware Qca6428 Firmware Qca6430 Firmware Qca6431 Firmware Qca6436 Firmware Qca6438 Firmware Qca6564au Firmware Qca6574 Firmware Qca6574a Firmware Qca6574au Firmware Qca6584au Firmware Qca6595au Firmware Qca6696 Firmware Qca8072 Firmware Qca8075 Firmware Qca8081 Firmware Qca9377 Firmware Qca9379 Firmware Qca9888 Firmware Qca9889 Firmware Qca9984 Firmware Qcm2290 Firmware Qcm4290 Firmware Qcm6125 Firmware Qcm6490 Firmware Qcn5022 Firmware Qcn5024 Firmware Qcn5052 Firmware Qcn5054 Firmware Qcn5122 Firmware Qcn5124 Firmware Qcn5152 Firmware Qcn5154 Firmware Qcn5164 Firmware Qcn6023 Firmware Qcn6024 Firmware Qcn6122 Firmware Qcn7606 Firmware Qcn9000 Firmware Qcn9022 Firmware Qcn9024 Firmware Qcn9070 Firmware Qcn9072 Firmware Qcn9074 Firmware Qcn9100 Firmware Qcs2290 Firmware Qcs410 Firmware Qcs4290 Firmware Qcs610 Firmware Qcs6125 Firmware Qcs6490 Firmware Qsm8350 Firmware Sa8155 Firmware Sa8155p Firmware Sd 675 Firmware Sd 8cx Firmware Sd460 Firmware Sd660 Firmware Sd662 Firmware Sd670 Firmware Sd675 Firmware Sd730 Firmware Sd820 Firmware Sd855 Firmware Sd865 5g Firmware Sd888 Firmware Sdx20m Firmware Sdx55 Firmware Sm4125 Firmware Sm6250 Firmware Sm6250p Firmware Wcd9326 Firmware Wcd9335 Firmware Wcd9340 Firmware Wcd9341 Firmware Wcd9360 Firmware Wcd9370 Firmware Wcd9371 Firmware Wcd9375 Firmware Wcd9380 Firmware Wcd9385 Firmware Wcn3610 Firmware Wcn3615 Firmware Wcn3660b Firmware Wcn3680b Firmware Wcn3910 Firmware Wcn3950 Firmware Wcn3980 Firmware Wcn3988 Firmware Wcn3990 Firmware Wcn6740 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8835 Firmware Sc8180X Sdx55 Firmware Qca1062 Firmware Qca1064 Firmware Qcn7605 Firmware Wcn3999 Firmware Pmp8074 Firmware Qcn5021 Firmware Ipq6005 Firmware Qcn5121 Firmware Wcn6750 Firmware Wcn6855 Firmware Wcn6856 Firmware Qca6694 Firmware Qcn5064 Firmware Qcn5550 Firmware Qca1023 Firmware Apq8096Au Firmware Sdx20 Firmware Sd210 Firmware Sd845 Firmware Sd850 Firmware Sdx24 Firmware Qcs605 Firmware Qca4020 Firmware Qcs405 Firmware Apq8053 Firmware Apq8009 Firmware Qca6390 Firmware Qca4010 Firmware Ipq5018 Firmware Qrb5165 Firmware Sdx55M Firmware Sm7250 Firmware Sdm830 Firmware Sdx50M Firmware Qca9369 Firmware Sd 8C Firmware Sd665 Firmware Sd690 5G Firmware Sd710 Firmware Sd720G Firmware Sd750G Firmware Sd765 Firmware Sd765G Firmware Sd768G Firmware Sd7C Firmware Sd888 5G Firmware Sdxr1 Firmware Sdxr2 5G Firmware Wcn3991 Firmware Wcn3998 Firmware Wcn6850 Firmware Wcn6851 Firmware Whs9410 Firmware Sd678 Firmware Sd870 Firmware Sd480 Firmware Qca10901 Firmware Sd778G Firmware Sd780G Firmware Sc8280Xp Firmware Sm7325 Firmware
7.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
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 score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

A local attacker with access to the system could write data beyond allocated buffer boundaries leading to code execution or crashes.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAI

Possible stack overflow due to improper length check of TLV while copying the TLV to a local stack variable in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer. 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. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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 Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Possible stack overflow due to improper length check of TLV while copying the TLV to a local stack variable in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking Affected products include: Qualcomm Apq8009 Firmware, Qualcomm Apq8053 Firmware, Qualcomm Apq8096Au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 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

DescriptionNVD

Possible stack overflow due to improper length check of TLV while copying the TLV to a local stack variable in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Threat Intelligence Overview

EPSS Score
0.2%
Top 95% exploitable
Data Quality
2 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 0.2%
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

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

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.

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)NVD

cpe:2.3:o:qualcomm:apq8009_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:apq8096au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csr8811_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5018_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq5028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6005_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq6028_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8070_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:ipq8070a_firmware:-:*:*:*:*:*:*:*
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