🛡️ CVE-2026-2966
🟢 CVSS 3.7 — Low ⚠️ Exploit Public CWE-310 NVD
3.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A weakness has been identified in Cesanta Mongoose up to 7.20. The impacted element is the function mg_sendnsreq of the file /src/dns.c of the component DNS Transaction ID Handler. Executing a manipulation of the argument random can lead to insufficiently random values. The attack can be launched remotely. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Details

Severity LOW
CVSS Score 3.7
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE CWE-310
Public Exploit ⚠️ Yes
Source NVD
Published 2026-02-23
Updated 2026-06-02
Modified 2026-04-29
Fix URL N/A

Affected Packages

Software From version Fixed in
mongoose — 7.20

References

Permissions Required, VDB Entry https://vuldb.com/?ctiid.347333
Third Party Advisory, VDB Entry https://vuldb.com/?id.347333
Third Party Advisory, VDB Entry https://vuldb.com/?submit.755304

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