CVE-2025-32743CRITICAL 9.0EPSS p33.1%

CVE-2025-32743CVE-2025-32743

Description

In ConnMan through 1.44, the lookup string in ns_resolv in dnsproxy.c can be NULL or an empty string when the TC (Truncated) bit is set in a DNS response. This allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code, because those lookup values lead to incorrect length calculations and incorrect memcpy operations.

Scoring

CVSS 3.19.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS0.42% probability of exploitation · percentile 33.1% · 2026-06-19T12:03:05Z
Published2025-04-10
Last modified2026-04-15

Underlying weaknesses· 1

CWE-392

References

  1. https://lapis-sawfish-be3.notion.site/0-click-Vulnerability-in-Comman-1-43_v3-1cadc00d01d080b0b3b9c46a6da584cc
  2. https://web.git.kernel.org/pub/scm/network/connman/connman.git/tree/src/dnsproxy.c?h=1.44#n1688

1

TypeTargetConfidenceTier
WeaknessMissing Report of Error Conditioncwe-3920%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.