Security readout for executives and security teams
Plain-English summary
This vulnerability affects Tenda i21 firmware V1.0.0.14(4656). A remote, unauthenticated attacker may trigger a stack overflow in the password-setting endpoint, with CVSS indicating possible full confidentiality, integrity, and availability impact. The source bundle does not name a vendor patch, so exposure management should focus on identifying affected devices and removing reachable management interfaces.
Executive priority
Prioritize this for immediate exposure review if Tenda i21 devices are used. The risk is critical where management interfaces are reachable by attackers, but urgency should be balanced by the absence of cited active exploitation evidence.
Technical view
CVE-2022-44365 is a CWE-787 stack overflow in /goform/setSysPwd on Tenda i21 V1.0.0.14(4656). CVSS 3.1 is 9.8: network reachable, low complexity, no privileges, no user interaction, unchanged scope, and high CIA impact. The CVE affected-product metadata is incomplete despite the title naming the device and firmware.
Likely exposure
Organizations are exposed if they operate Tenda i21 devices running firmware V1.0.0.14(4656), especially where the web management interface is reachable from untrusted networks. The supplied CVE data does not provide CPEs or a broader affected-version range.
Exploitation context
CISA KEV is not indicated in the bundle, and no cited source states active exploitation. A public GitHub reference exists, but the bundle does not establish in-the-wild attacks. Treat this as high-risk because unauthenticated network attack conditions and critical CVSS impact are documented.
Researcher notes
The public record is sparse: one CVE description, CVSS data, CWE-787 classification, and a GitHub technical reference. The affected section in the CVE bundle is n/a, so validation should rely on observed device model, firmware banner, and vendor documentation rather than CPE matching alone.
Mitigation direction
- Identify Tenda i21 devices and confirm firmware versions.
- Check Tenda guidance for fixed firmware or replacement advice.
- Remove management interfaces from internet and untrusted networks.
- Restrict administration to VPN or dedicated trusted management networks.
- Replace or isolate devices if no vendor-supported fix exists.
Validation and detection
- Inventory network devices for Tenda i21 hardware and firmware V1.0.0.14(4656).
- Confirm management interfaces are not externally reachable.
- Review access logs for unexpected password-management requests or configuration changes.
- Verify ACLs or firewall rules restrict administrative access.
- Document unsupported devices for replacement or compensating controls.
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-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.
Open ATT&CK lookupCVE-2022-44365 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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.
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.