Security readout for executives and security teams
Plain-English summary
This CVE describes a network-reachable buffer overflow in Tenda i22 firmware V1.0.0.3(4687). The reported impact is denial of service: an attacker does not need credentials or user interaction, but the published CVSS data does not claim data theft or privilege escalation.
Executive priority
Treat as high priority for exposed or business-critical devices because the vulnerability is remotely reachable and can affect availability without authentication. Isolated devices still need remediation planning because source detail is limited and no official fix is named in the provided bundle.
Technical view
CVE-2022-45670 is a CWE-120 buffer overflow in the formSetAutoPing function, triggered through the ping1 parameter. CVSS v3.1 is 7.5: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. The CVE affected-product metadata is sparse, but the title and description name Tenda i22 V1.0.0.3(4687).
Likely exposure
Exposure is most likely where Tenda i22 devices running V1.0.0.3(4687) have the relevant web management surface reachable from untrusted networks. The CVE record does not provide CPEs or a full affected-version range.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. Public vulnerability documentation exists, so defenders should assume the condition is known, but not claim observed exploitation from these sources alone.
Researcher notes
The CVE record identifies the vulnerable parameter and function but provides limited affected-product metadata. Validate exposure through asset inventory and configuration review rather than offensive testing. Do not broaden impact beyond availability unless additional vendor or research sources support it.
Mitigation direction
- Check Tenda guidance for a fixed firmware or official mitigation.
- Restrict device management access to trusted administrative networks only.
- Remove any internet exposure of the management interface.
- Replace or retire affected firmware if no maintained fix is available.
- Monitor affected devices for crashes or unexplained availability loss.
Validation and detection
- Inventory Tenda i22 devices and record exact firmware versions.
- Confirm whether any device runs V1.0.0.3(4687).
- Verify management interfaces are not reachable from untrusted networks.
- Review vendor advisories and CVE updates for corrected affected-version data.
- Check operational logs for repeated service restarts or outages.
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-2022-45670 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.