CVE-2026-44407
Zte Zxcloud Irai 7.23.20 – 7.25.43
Raw vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HSummary
CVE-2026-44407 is a medium-severity Use of Externally-Controlled Format String (CWE-134) vulnerability in Zte Zxcloud Irai. Its CVSS base score is 4.7 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 20th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SI-10 (Information Input Validation) and SI-16 (Memory Protection) — see the control section below for these in your framework.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-28340
Vulnerability Data
A remote denial-of-service vulnerability exists in the ZTE Cloud PC client uSmartview, which may lead to memory corruption and remote denial of service.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Remote memory corruption DoS in client maps directly to application/system exploitation for endpoint DoS.
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
Mitigating Controls (NIST 800-53 r5) AI
Directly blocks externally-controlled format strings (CWE-134) from reaching the vulnerable uSmartview client code path.
Memory-protection mechanisms limit the ability of a format-string flaw to corrupt memory and cause remote DoS.
Denial-of-service protection controls can throttle or drop malformed traffic targeting the Cloud PC client before memory corruption occurs.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing in development can detect format-string vulnerabilities before release.
Secure SDLC mandates input validation and safe API usage that can prevent externally-controlled format strings.
Application security requirements can specify safe formatting functions and ban uncontrolled format strings.
Secure architecture principles discourage dangerous string-handling patterns that lead to format-string issues.
Secure coding standards directly forbid the use of untrusted format strings and prescribe safe alternatives.