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Fencer Vulns
high 8.8

CVE-2024-20040 json

In wlan firmware, there is a possible out of bounds write due to improper input validation.

published 2024-04-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-17755

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

In wlan firmware, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08360153 (for MT6XXX chipsets) / WCNCR00363530 (for MT79XX chipsets); Issue ID: MSV-979.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • MediaTek, Inc. MT2713, MT6580, MT6761, MT6762, MT6768, MT6781, MT6789, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6890, MT6891, MT6893, MT6895, MT6983, MT6985, MT6989, MT6990, MT7902, MT7915, MT7916, MT7920, MT7921, MT7922, MT7925, MT7927, MT7981, MT7986, MT8188, MT8195, MT8370, MT8390, MT8395, MT8518S, MT8532, MT8673, MT8678, MT8781, MT8791T, MT8792, MT8796, MT8797, MT8798
  • mediatek mt6768
  • mediatek mt6781
  • mediatek mt2713
  • mediatek mt6580
  • mediatek mt6761
  • mediatek mt6762
  • mediatek mt6789
  • mediatek mt6833
  • mediatek mt6853
  • mediatek mt6853t
  • mediatek mt6855
  • mediatek mt6873
  • mediatek mt6875
  • mediatek mt6877
  • mediatek mt6879
  • mediatek mt6883
  • mediatek mt6885
  • mediatek mt6886
  • mediatek mt6889
  • mediatek mt6890
  • mediatek mt6891
  • mediatek mt6893
  • mediatek mt6895
  • mediatek mt6983
  • mediatek mt6985
  • mediatek mt6989
  • mediatek mt6990
  • mediatek mt7902
  • mediatek mt7915
  • mediatek mt7916
  • mediatek mt7920
  • mediatek mt7921
  • mediatek mt7922
  • mediatek mt7925
  • mediatek mt7927
  • mediatek mt7981
  • mediatek mt7986
  • mediatek mt8188
  • mediatek mt8195
  • mediatek mt8370
  • mediatek mt8390
  • mediatek mt8395
  • mediatek mt8518s
  • mediatek mt8532
  • mediatek mt8673
  • google android
  • linux linux_kernel

Classification

Weakness
Technology feeds

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.