HOMEVULNERABILITIESCVE-2022-33259
CRITICAL

CVE-2022-33259

CWE-120Published: April 13, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Memory corruption due to buffer copy without checking the size of input in modem while decoding raw SMS received.

NVD Source

Risk Analysis

Qualcomm modem firmware contains a memory corruption vulnerability caused by improper size checking when decoding raw SMS messages. This critical flaw could allow remote attackers to cause a crash or execute arbitrary code.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.

Recommended Action

Apply firmware updates provided by the device manufacturer. Ensure modem software is kept up to date.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-33259 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

Qualcomm24 product(s)
mdm8207 firmwaremdm8207mdm9205 firmwaremdm9205mdm9206 firmwaremdm9206mdm9207 firmwaremdm9207qca4004 firmwareqca4004qts110 firmwareqts110+12
Source: NVD CPE · 24 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2022-33259
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-120
CISA KEVNo
Affected1 vendor(s)
PublishedApr 13, 2023

Related CVEs (CWE-120)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2022-33259 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.