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Vulnerability record · CVE-2026-79393 · published 11 September 2026

CVE-2026-79393: Heap-based buffer overflow vulnerability

A heap-based buffer overflow vulnerability in the WS-Addressing Action transformation function in the Sofia IPC daemon in Xiongmai IP Camera XM530 firmware HMT.CM2005-v220608.1837 and earlier allows remote unauthenticated attackers to cause a denial of service or potentially execute arbitrary code via a crafted SOAP request containing a wsa5:Action string exceeding 128 bytes.

7.5 CVSS 3.1 High EPSS 0.74% · top 47.1% CWE-122 · Heap-based buffer overflow Deferred
7.5CVSS 3.1 base score
0.74%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
22 Sep 2026Last modified by NVD

Description

A heap-based buffer overflow vulnerability in the WS-Addressing Action transformation function in the Sofia IPC daemon in Xiongmai IP Camera XM530 firmware HMT.CM2005-v220608.1837 and earlier allows remote unauthenticated attackers to cause a denial of service or potentially execute arbitrary code via a crafted SOAP request containing a wsa5:Action string exceeding 128 bytes.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

LinkTags
https://github.com/ShiroiBoushi/vulnerability-research/tree/main/CVE-2026-79393

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Source: NIST National Vulnerability Database (record CVE-2026-79393), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.