Security readout for executives and security teams
Plain-English summary
This CVE describes a critical memory corruption flaw in Tenda AC23 firmware V16.03.07.45_cn. A remote, unauthenticated attacker could potentially crash or take over the device if the vulnerable management function is reachable. Business risk is highest where affected routers expose administration services to untrusted networks.
Executive priority
Treat this as urgent for any internet-exposed or shared-network Tenda AC23 device. The score is critical and the attack conditions are favorable, but evidence of active exploitation is not provided in the source bundle.
Technical view
CVE-2022-43102 is a stack overflow tied to the timeZone parameter in the fromSetSysTime function. The CVSS 3.1 vector is 9.8 critical: network-reachable, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact. The mapped weakness is CWE-787.
Likely exposure
Exposure appears limited to Tenda AC23 devices running V16.03.07.45_cn firmware. CVE metadata does not provide formal CPEs or a complete affected-product list, so teams should validate model and firmware directly from asset inventory and device administration records.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The CVSS vector indicates the bug is remotely reachable without authentication if the vulnerable interface is exposed. Public technical detail exists, but the source bundle does not establish exploitation in the wild.
Researcher notes
The CVE record names Tenda AC23 V16.03.07.45_cn in the description, while structured affected vendor/product fields are unavailable. Analysis should avoid broadening impact beyond that evidence. Focus validation on firmware identification, reachable management paths, and vendor advisory status.
Mitigation direction
- Identify Tenda AC23 devices and confirm firmware version.
- Check Tenda guidance for fixed firmware or vendor mitigation.
- Restrict router management access to trusted administrative networks.
- Disable internet-facing administration where present.
- Replace or isolate devices if no supported fix exists.
Validation and detection
- Inventory routers by model, firmware, and management exposure.
- Confirm whether any device runs V16.03.07.45_cn.
- Review firewall rules for exposed administration interfaces.
- Check vendor firmware notes before declaring remediation complete.
- Monitor affected devices for crashes or unauthorized configuration changes.
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-2022-43102 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.