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Fencer Vulns
medium 6.7

CVE-2023-21649 json

Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in WLAN

published 2023-08-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25816

cvss
6.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 1%
public exploits
0
none known

Summary

Memory corruption in WLAN while running doDriverCmd for an unspecific command.

Patch / fix

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Qualcomm, Inc. Snapdragon
  • qualcomm apq8096au_firmware
  • qualcomm aqt1000_firmware
  • qualcomm mdm9628_firmware
  • qualcomm mdm9650_firmware
  • qualcomm qca6390_firmware
  • qualcomm qca6391_firmware
  • qualcomm qca6420_firmware
  • qualcomm qca6421_firmware
  • qualcomm qca6426_firmware
  • qualcomm qca6430_firmware
  • qualcomm qca6431_firmware
  • qualcomm qca6436_firmware
  • qualcomm qca6554a_firmware
  • qualcomm qca6564a_firmware
  • qualcomm qca6564au_firmware
  • qualcomm qca6574_firmware
  • qualcomm qca6574a_firmware
  • qualcomm qca6574au_firmware
  • qualcomm qca6584au_firmware
  • qualcomm qca6595_firmware
  • qualcomm qca6595au_firmware
  • qualcomm qca6696_firmware
  • qualcomm qca8337_firmware
  • qualcomm qcc5100_firmware
  • qualcomm qcn9074_firmware
  • qualcomm qcs410_firmware
  • qualcomm qcs610_firmware
  • qualcomm sa6145p_firmware
  • qualcomm sa6150p_firmware
  • qualcomm sa6155p_firmware
  • qualcomm sa8145p_firmware
  • qualcomm sa8150p_firmware
  • qualcomm sa8155p_firmware
  • qualcomm sa8195p_firmware
  • qualcomm sd480_firmware
  • qualcomm sd695_firmware
  • qualcomm sd855_firmware
  • qualcomm sd865_5g_firmware
  • qualcomm sd870_firmware
  • qualcomm sda429w_firmware
  • qualcomm sdx55_firmware
  • qualcomm sdx55m_firmware
  • qualcomm sdxr2_5g_firmware
  • qualcomm sm4375_firmware
  • qualcomm sw5100_firmware
  • qualcomm sw5100p_firmware
  • qualcomm wcd9341_firmware
  • qualcomm wcd9370_firmware
  • qualcomm wcd9375_firmware

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input
  • CWE-787 Out-of-bounds Write

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.