Security readout for executives and security teams
Plain-English summary
CVE-2022-45669 is a high-severity availability issue in Tenda i22 firmware V1.0.0.3(4687). A network-reachable buffer overflow in a Wi-Fi MAC filter function could crash or disrupt the device. The sources do not show confirmed active exploitation or a named vendor fix.
Executive priority
Treat this as a near-term network infrastructure risk where affected devices support business connectivity. The main business concern is service disruption, not data theft based on the cited CVSS impacts. Prioritize exposed or business-critical devices first.
Technical view
The CVE describes a CWE-120 buffer overflow in the formWifiMacFilterGet function, triggered through the index parameter. CVSS 3.1 is 7.5: network attack vector, low complexity, no privileges, no user interaction, and high availability impact with no stated confidentiality or integrity impact.
Likely exposure
Exposure is likely limited to organizations running Tenda i22 devices on firmware V1.0.0.3(4687), especially where the relevant management interface is reachable from untrusted networks. The CVE record’s structured affected-product fields are incomplete, so asset confirmation is important.
Exploitation context
The CVE and public reference indicate a remotely reachable denial-of-service style risk. The provided bundle marks CISA KEV as false, and no cited source confirms active exploitation in the wild. No exploit status beyond the public vulnerability report is established here.
Researcher notes
The source evidence identifies the vulnerable function and parameter but provides incomplete normalized affected-product metadata. Avoid broad Tenda assumptions beyond i22 V1.0.0.3(4687). No official patch information, KEV listing, or confirmed exploitation is present in the supplied sources.
Mitigation direction
- Inventory Tenda i22 devices and identify firmware V1.0.0.3(4687).
- Check Tenda support channels for firmware updates or official mitigation guidance.
- Restrict device management access to trusted administrative networks only.
- Prioritize replacement or isolation if vendor remediation cannot be verified.
- Monitor affected devices for unexplained crashes or service disruption.
Validation and detection
- Confirm device model and firmware from trusted asset records or management consoles.
- Review whether management interfaces are exposed to untrusted networks.
- Check vendor advisories for any fixed firmware or mitigation notes.
- Correlate device instability with traffic to administrative services.
- Document affected assets and remediation status for vulnerability tracking.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-120: 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.
Open ATT&CK lookupCVE-2022-45669 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- 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
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
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.