CVE-2022-33295: Information disclosure in Modem due to buffer over-read while parsing the wms message received given the buffe

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HIGH 8.2REMOTEMITIGATEMITIGATEMITIGATE

CVE-2022-33295 is a high-severity flaw (CVSS 8.2) affecting mdm8207 firmware, mdm9205 firmware, mdm9206 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Information disclosure in Modem due to buffer over-read while parsing the wms message received given the buffer and its length.

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-126, CWE-125
Published	2023-04-13
Last modified	2026-06-17

Publisher (CNA): Qualcomm, Inc. · Vendor: qualcomm

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-13 07:15 UTCPublished CVE record published
2026-06-17 04:49 UTCUpdated Record last modified

qualcomm mdm8207 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm mdm9205 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm mdm9206 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm mdm9207 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm qca4004 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

qualcomm qts110 firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-33295?

mdm8207 firmware: mitigate or apply the listed mitigation; mdm9205 firmware: mitigate or apply the listed mitigation; mdm9206 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-33295 being exploited?

CVE-2022-33295 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-33295 affect?

CVE-2022-33295 affects mdm8207 firmware, mdm9205 firmware, mdm9206 firmware. Severity is high (CVSS 8.2). Information disclosure in Modem due to buffer over-read while parsing the wms message received given the buffer and its length.

How urgent is CVE-2022-33295?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

Software pages

Qualcomm vulnerabilities

Related CVEs

CVE-2022-40505 HIGH 8.2 MITIGATE MITIGATE Information disclosure due to buffer over-read in Modem while parsing DNS hostname.
CVE-2022-33294 HIGH 7.5 MITIGATE MITIGATE Transient DOS in Modem due to NULL pointer dereference while receiving response of lwm2m registration/update/b
CVE-2022-33259 CRITICAL 9.8 MITIGATE MITIGATE Memory corruption due to buffer copy without checking the size of input in modem while decoding raw SMS receiv
CVE-2022-33258 HIGH 8.2 MITIGATE MITIGATE Information disclosure due to buffer over-read in modem while reading configuration parameters.
CVE-2022-33229 HIGH 8.2 MITIGATE MITIGATE Information disclosure due to buffer over-read in Modem while using static array to process IPv4 packets.

References

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