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Fencer Vulns
critical 9.8

CVE-2020-3675 json

u'Potential integer underflow while parsing Service Info and IPv6 link-local TLVs that comes as part of NDPE attribute' in Snapdragon Auto,…

published 2020-09-08 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24946

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

u'Potential integer underflow while parsing Service Info and IPv6 link-local TLVs that comes as part of NDPE attribute' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in IPQ5018, IPQ6018, IPQ8074, Kamorta, Nicobar, QCA6390, QCN7605, QCS404, QCS405, Rennell, SA415M, Saipan, SC7180, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

Classification

Weakness
  • CWE-191 Integer Underflow (Wrap or Wraparound)

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.