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Fencer Vulns
high 7.5

CVE-2023-21646 json

Reachable Assertion in Modem

published 2023-09-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25813

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

Transient DOS in Modem while processing invalid System Information Block 1.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Qualcomm, Inc. Snapdragon
  • qualcomm ar8035_firmware
  • qualcomm qca6390_firmware
  • qualcomm qca6391_firmware
  • qualcomm qca6574a_firmware
  • qualcomm qca6595au_firmware
  • qualcomm qca6696_firmware
  • qualcomm qca8081_firmware
  • qualcomm qca8337_firmware
  • qualcomm qcm6490_firmware
  • qualcomm qcn6024_firmware
  • qualcomm qcn9024_firmware
  • qualcomm qcs6490_firmware
  • qualcomm qcx315_firmware
  • qualcomm sa515m_firmware
  • qualcomm sd_8_gen1_5g_firmware
  • qualcomm sd480_firmware
  • qualcomm sd690_5g_firmware
  • qualcomm sd695_firmware
  • qualcomm sd765_firmware
  • qualcomm sd765g_firmware
  • qualcomm sd768g_firmware
  • qualcomm sd778g_firmware
  • qualcomm sd780g_firmware
  • qualcomm sd865_5g_firmware
  • qualcomm sd870_firmware
  • qualcomm sd888_5g_firmware
  • qualcomm sdx55_firmware
  • qualcomm sdx55m_firmware
  • qualcomm sdx65_firmware
  • qualcomm sdx70m_firmware
  • qualcomm sm7250p_firmware
  • qualcomm sm7325p_firmware
  • qualcomm snapdragon_4_gen_1_firmware
  • qualcomm wcd9341_firmware
  • qualcomm wcd9360_firmware
  • qualcomm wcd9370_firmware
  • qualcomm wcd9375_firmware
  • qualcomm wcd9380_firmware
  • qualcomm wcd9385_firmware
  • qualcomm wcn3988_firmware
  • qualcomm wcn3991_firmware
  • qualcomm wcn3998_firmware
  • qualcomm wcn6740_firmware
  • qualcomm wcn6750_firmware
  • qualcomm wcn6850_firmware
  • qualcomm wcn6851_firmware
  • qualcomm wcn6855_firmware
  • qualcomm wcn6856_firmware
  • qualcomm wcn7850_firmware

Classification

Weakness

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.