Cyber Resilience

CVE-2022-36502

HighPublic PoC

Published: 25 August 2022

Published
25 August 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0013 32.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-36502 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in H3C Magic Nx18 Plus Firmware. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 32.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

H3C Magic NX18 Plus NX18PV100R003 was discovered to contain a stack overflow via the function UpdateWanParams.

CWE(s)
CWE-787

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

h3c
magic nx18 plus firmware
nx18pv100r003

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References