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CVE Record

CVE-2022-36508: H3C Magic NX18 Plus NX18PV100R003 was discovered to contain a stack overflow via the function SetAPInfoById.

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

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2022-36508 is a high-severity stack overflow reported in H3C Magic NX18 Plus firmware NX18PV100R003. A successful attacker with local access and low privileges could affect confidentiality, integrity, and availability. Public metadata does not identify active exploitation or a named vendor patch.

Executive priority

Prioritize identification and containment where this device model is deployed. Business urgency is high for confirmed NX18PV100R003 assets, but broad emergency action is not supported by the provided evidence because exploitation and patch status are not established.

Technical view

The issue is described as a CWE-787 out-of-bounds write stack overflow in SetAPInfoById. CVSS 3.1 is 7.8 with local attack vector, low complexity, low privileges, no user interaction, and high C/I/A impact. The affected CPE data is not normalized in the bundle.

Likely exposure

Exposure is most likely limited to environments running H3C Magic NX18 Plus NX18PV100R003. Because the affected vendor/product fields are marked n/a, asset owners should verify by model and firmware version rather than relying only on scanner CPE matching.

Exploitation context

The source bundle includes a public GitHub vulnerability reference, but no source states active exploitation. The CVE is not marked as CISA KEV. Treat exploit maturity as unclear unless vendor advisories or threat intelligence add evidence.

Researcher notes

The CVE record gives a concise description but incomplete structured affected-product data. The main technical clue is the SetAPInfoById stack overflow and CVSS local, low-privilege profile. Further analysis should be grounded in vendor firmware, advisories, or the cited research reference.

Mitigation direction

  • Check H3C or device supplier guidance for fixed firmware or replacement recommendations.
  • Upgrade affected NX18PV100R003 devices if a vendor-supported fix is available.
  • Restrict local and administrative access to affected devices.
  • Remove unnecessary privileged accounts on affected devices.
  • Increase monitoring for unexpected configuration changes or crashes.

Validation and detection

  • Inventory H3C Magic NX18 Plus devices and record firmware versions.
  • Confirm whether any device reports NX18PV100R003.
  • Review vulnerability scanner findings for weak CPE matching or missing product data.
  • Check vendor advisories and support channels for current remediation status.
  • Review device logs for unexplained reboots or administrative activity.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-787: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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cve · low confidence lookup

CVE-2022-36508 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2022-36508Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-787 · source CWE mapping

Out-of-bounds Write

Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.