CVE-2026-79393 Xiongmai IP Camera XM530 - Buffer Overflow

Xiongmai IP Camera XM530 firmware HMT.CM2005-v220608.1837 and earlier contains a heap-based buffer overflow caused by improper handling of wsa5:Action string in WS-Addressing Action transformation function in Sofia IPC daemon, letting remote unauthenticated attackers cause denial of service or execute arbitrary code via crafted SOAP request.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.74% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-122

Vendor fix

Update to the latest firmware version beyond HMT.CM2005-v220608.1837.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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