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CVE Record

CVE-2022-45650: Tenda AC6V1.0 V15.03.05.19 was discovered to contain a buffer overflow via the firewallEn parameter in the...

Tenda AC6V1.0 V15.03.05.19 was discovered to contain a buffer overflow via the firewallEn parameter in the formSetFirewallCfg function.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE describes a remotely reachable buffer overflow in a specific Tenda AC6 router firmware version. The reported impact is denial of service, not data theft or device takeover, based on the CVSS vector. Organizations should prioritize internet-exposed or unmanaged small-office routers first.

Executive priority

Treat this as a high-priority edge-device availability issue, especially for small sites relying on affected routers for connectivity. The business risk is service disruption. Remediation urgency rises sharply if management interfaces are exposed beyond trusted networks.

Technical view

CWE-120 buffer overflow in formSetFirewallCfg via the firewallEn parameter on Tenda AC6 V1.0 firmware V15.03.05.19. CVSS v3.1 is 7.5: network reachable, low complexity, no privileges or user interaction, with availability impact only. The public record does not identify confidentiality or integrity impact.

Likely exposure

Exposure is most plausible where Tenda AC6 V1.0 routers running V15.03.05.19 have reachable administrative or configuration surfaces. The CVE affected-product fields are incomplete, so teams should verify against model and firmware strings rather than broad Tenda assumptions.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. A public GitHub reference exists for the vulnerability report, which increases researcher visibility, but the available sources only support a denial-of-service risk assessment.

Researcher notes

The authoritative data is sparse: affected CPEs are not populated, and no vendor fix is named in the provided sources. Analysis should stay tied to Tenda AC6 V1.0 V15.03.05.19 and the firewallEn/formSetFirewallCfg buffer overflow claim.

Mitigation direction

  • Identify Tenda AC6 V1.0 devices and record firmware versions.
  • Check Tenda guidance for fixed firmware or official workarounds.
  • Remove router management interfaces from internet or untrusted networks.
  • Restrict administrative access to trusted management networks only.
  • Replace or isolate devices if no supported update exists.

Validation and detection

  • Inventory routers for Tenda AC6 V1.0 firmware V15.03.05.19.
  • Confirm whether management or configuration interfaces are reachable from untrusted networks.
  • Review device logs for crashes, reboots, or repeated firewall-configuration activity.
  • Validate compensating controls block untrusted access to router administration.
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

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cwe · low confidence lookup

CWE-120: Exact CWE lookup

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cve · low confidence lookup

CVE-2022-45650 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2022-45650Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
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-120 · source CWE mapping

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.