CVE-2021-1895· NVD / CVE Program· CNA qualcomm

Possible integer overflow due to improper length check while flashing an image in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdr

Possible integer overflow due to improper length check while flashing an image in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music

HighCVSS 7.8 · v3.1—No exploit No fix recorded

Memory safety

Noroxi analysis

No Noroxi analysis for this record yet

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Published: May 7, 2021
Updated: Jun 16, 2026
EPSS: 0.2% · 4th percentile
CWE: CWE-190

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Action score

Monitor

Low priority for now.

CVSS: 31 / 40 · 7.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.2%

CNA vs NVD score

NVD: 7.8
CNA · qualcomm: 6.8; 1.0 point gap

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

Vendor	Product	CPE
qualcomm	apq8009w firmware	cpe:2.3:o:qualcomm:apq8009w_firmware
qualcomm	apq8009w	cpe:2.3:h:qualcomm:apq8009w
qualcomm	apq8017 firmware	cpe:2.3:o:qualcomm:apq8017_firmware
qualcomm	apq8017	cpe:2.3:h:qualcomm:apq8017
qualcomm	apq8053 firmware	cpe:2.3:o:qualcomm:apq8053_firmware
qualcomm	apq8053	cpe:2.3:h:qualcomm:apq8053
qualcomm	aqt1000 firmware	cpe:2.3:o:qualcomm:aqt1000_firmware
qualcomm	aqt1000	cpe:2.3:h:qualcomm:aqt1000
qualcomm	ar8031 firmware	cpe:2.3:o:qualcomm:ar8031_firmware
qualcomm	ar8031	cpe:2.3:h:qualcomm:ar8031
qualcomm	ar8035 firmware	cpe:2.3:o:qualcomm:ar8035_firmware
qualcomm	ar8035	cpe:2.3:h:qualcomm:ar8035

and 188 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

qualcomm apq8009w firmwareall versions
qualcomm apq8017 firmwareall versions
qualcomm apq8053 firmwareall versions
qualcomm aqt1000 firmwareall versions
qualcomm ar8031 firmwareall versions
qualcomm ar8035 firmwareall versions
qualcomm ar9380 firmwareall versions
qualcomm csr8811 firmwareall versions
qualcomm csra6620 firmwareall versions
qualcomm csra6640 firmwareall versions
qualcomm csrb31024 firmwareall versions
qualcomm ipq4018 firmwareall versions
qualcomm ipq4028 firmwareall versions
qualcomm ipq4029 firmwareall versions
qualcomm ipq6000 firmwareall versions
qualcomm ipq6010 firmwareall versions
qualcomm ipq6018 firmwareall versions
qualcomm ipq6028 firmwareall versions
qualcomm ipq8064 firmwareall versions
qualcomm ipq8065 firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (qualcomm). Independent of NVD's CPE analysis and usually ahead of it.

Qualcomm, Inc. Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music
- APQ8009, APQ8053, MDM9206, PM215, PM8909, PM8916, PM8953, PMD9607, PMI8952, QCA9367, QCA9377, Qualcomm215, SMB1358, SMB1360, SMB231, WCD9326, WCD9330, WCN3615, WCN3660B, WCN3680, WCN3680B, WSA8810, WSaffected

Same product

qualcomm: all records

Other highest-scoring records for the same primary product.

CVE-2022-22086Memory corruption in video due to double free while parsing 3gp clip with invalid meta data atoms in Snapdragon Auto, Snapdragon Compute, Sn
39Monitor
CVE-2021-35104Possible buffer overflow due to improper parsing of headers while playing the FLAC audio clip in Snapdragon Auto, Snapdragon Compute, Snapdr
39Monitor
CVE-2021-30341Improper buffer size validation of DSM packet received can lead to memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Conn
39Monitor
CVE-2021-35068Lack of null check while freeing the device information buffer in the Bluetooth HFP protocol can lead to a NULL pointer dereference in Snapd
39Monitor
CVE-2020-11307Buffer overflow in modem due to improper array index check before copying into it in Snapdragon Auto, Snapdragon Compute, Snapdragon Connect
39Monitor
CVE-2020-11168u'Null-pointer dereference can occur while accessing data buffer beyond its size that leads to access the buffer beyond its range' in Snapdr
39Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).