Cyber Resilience

CVE-2026-44407

Zte Zxcloud Irai 7.23.20 – 7.25.43

Published
07 May 2026
Modified
17 June 2026
Patch / advisory
CVSS Score v3.1 4.7
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0027 20th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

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

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

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
Why these techniques?

Remote memory corruption DoS in client maps directly to application/system exploitation for endpoint DoS.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2023-41776Same product: Zte Zxcloud Irai
CVE-2023-41779Same product: Zte Zxcloud Irai
CVE-2023-41782Same product: Zte Zxcloud Irai
CVE-2023-41783Same product: Zte Zxcloud Irai
CVE-2023-25650Same product: Zte Zxcloud Irai
CVE-2023-25648Same product: Zte Zxcloud Irai
CVE-2023-41780Same product: Zte Zxcloud Irai
CVE-2024-22062Same product: Zte Zxcloud Irai
CVE-2026-44406Same product: Zte Zxcloud Irai
CVE-2026-40004Same product: Zte Zxcloud Irai

Affected Assets

zte
zxcloud irai
7.23.20 — 7.25.43

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
  • SI-10 Information Input Validation
  • SI-16 Memory Protection
  • SC-5 Denial-of-service Protection
Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly blocks externally-controlled format strings (CWE-134) from reaching the vulnerable uSmartview client code path.

prevent

Memory-protection mechanisms limit the ability of a format-string flaw to corrupt memory and cause remote DoS.

prevent

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.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly prevent external format strings via code review, static analysis, and safe APIs.

ID.RA-01 partial match
prevents

Vulnerability identification can discover existing format-string flaws but does not prevent their introduction.

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.

detects

Security testing in development can detect format-string vulnerabilities before release.

prevents

Secure SDLC mandates input validation and safe API usage that can prevent externally-controlled format strings.

prevents

Application security requirements can specify safe formatting functions and ban uncontrolled format strings.

prevents

Secure architecture principles discourage dangerous string-handling patterns that lead to format-string issues.

prevents

Secure coding standards directly forbid the use of untrusted format strings and prescribe safe alternatives.

References