HOMEVULNERABILITIESCVE-2020-11172
CRITICAL

CVE-2020-11172

CWE-120Published: November 2, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

u'fscanf reads a string from a file and stores its contents on a statically allocated stack memory which leads to stack overflow' in Snapdragon Wired Infrastructure and Networking in IPQ4019, IPQ6018, IPQ8064, IPQ8074, QCA9531, QCA9980

NVD Source

Technical Analysis

CVE-2020-11172 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Qualcomm12 product(s)
ipq4019 firmwareipq4019ipq6018 firmwareipq6018ipq8064 firmwareipq8064ipq8074 firmwareipq8074qca9531 firmwareqca9531qca9980 firmwareqca9980
Source: NVD CPE · 12 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulletin

All References (3)

→
https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletinBroken Link
→
https://www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulletinVendor Advisory
→
https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletinBroken Link

Quick Facts

CVE IDCVE-2020-11172
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-120
CISA KEVNo
Affected1 vendor(s)
PublishedNov 2, 2020

Related CVEs (CWE-120)

CVE-1999-0385
10.0
CVE-2008-3496
10.0
CVE-2007-1770
10.0
CVE-2024-25139
10.0
CVE-2025-9962
10.0
CVE-2017-16740
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-11172 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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