What is CVE-2025-32743?

CVE-2025-32743 is a critical-severity vulnerability in Connman, classified under CWE-392. CVSS score: 9.0/10. Published 2025-04-10.

How severe is CVE-2025-32743?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Vulnerability in Connman

CVE-2025-32743

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 e…

EPSS: 0.003 (52.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Connman — versions 0

Weakness classification (CWE)

CWE-392

References

web.git.kernel.org/pub/scm/network/connman/connman.git/tree/src/dnsproxy.c
lapis-sawfish-be3.notion.site/0-click-Vulnerability-in-Comman-1-43_v3-1cadc00d0…

Frequently asked questions

What is CVE-2025-32743?: CVE-2025-32743 is a critical-severity vulnerability in Connman, classified under CWE-392. CVSS score: 9.0/10. Published 2025-04-10.
How severe is CVE-2025-32743?: Critical severity. CVSS v3 base score is 9.0 out of 10.