Security readout for executives and security teams
Plain-English summary
CVE-2024-24321 is a critical remote code execution issue reported in D-Link DIR-816A2 firmware v1.10CNB05. A remote unauthenticated attacker could potentially run arbitrary code on the router. For businesses, exposed or unmanaged routers could become entry points for network compromise or disruption.
Executive priority
Prioritize discovery and containment of affected routers, especially at remote offices and internet edges. If confirmed exposed, treat remediation as urgent because compromise could give attackers control of network infrastructure.
Technical view
The CVE describes command injection/CWE-77 in the DIR-816A2 v1.10CNB05 handling of the wizardstep4_ssid_2 parameter in sub_42DA54. CVSS 3.1 is 9.8: network attack vector, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where D-Link DIR-816A2 devices running v1.10CNB05 are reachable from untrusted networks or administered through exposed web interfaces. The provided CVE metadata does not list CPEs or broader affected versions.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle. Public researcher material is referenced, but the sources provided do not prove active exploitation in the wild. Treat internet-facing devices as high-risk due to unauthenticated network reachability and critical impact.
Researcher notes
Evidence is limited to the CVE record, CVE List data, D-Link public sites, and a referenced GitHub researcher report. The affected product is stated in the CVE description, while structured affected-product fields are incomplete. No official patch status is confirmed in the provided sources.
Mitigation direction
- Identify any D-Link DIR-816A2 devices and confirm firmware version.
- Check D-Link security bulletins and support channels for official firmware or guidance.
- Remove router management interfaces from internet exposure.
- Restrict administration access to trusted internal networks or VPN.
- Replace or retire affected devices if no supported fix is available.
Validation and detection
- Inventory network edge devices for D-Link DIR-816A2 models.
- Verify firmware version against v1.10CNB05.
- Review external attack surface for exposed router administration pages.
- Check firewall rules limiting access to management services.
- Monitor logs for unexpected configuration changes or reboots.
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-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-24321 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.
SSVC decision data
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:H3.95.9CISA-ADPVulnerability 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dlink.com/en/security-bulletin/CVE reference, mitre
- https://www.dlink.com/CVE reference, mitre
- https://github.com/dkjiayu/Vul/blob/main/DIR816A2-dir_setWanWifi.mdCVE reference, mitre
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.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.