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VulnerabilityPublished Updated

CVE-2024-39962: Code Injection

Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.0% chance of exploitation in 30 days – higher than 81% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 Jul 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

Until an official patch is released by D-Link, organizations should implement several specific mitigation strategies: 1) Isolate the affected router from direct exposure to the internet by placing it behind a firewall or using network segmentation to limit access to the /goform/set_ntp endpoint. 2) Disable remote management features on the router to prevent external HTTP requests targeting vulnerable endpoints. 3) Monitor network traffic for unusual HTTP requests to the /goform/set_ntp path and implement intrusion detection/prevention systems (IDS/IPS) with custom rules to detect and block suspicious payloads targeting the ntp_zone_val parameter. 4) Regularly audit router firmware versions and subscribe to vendor security advisories to apply patches promptly once available. 5) Consider replacing vulnerable hardware with models that have confirmed security updates if patching is delayed. 6) Employ network-level protections such as web application firewalls (WAFs) to filter malicious requests. These targeted actions go beyond generic advice by focusing on controlling exposure and detecting exploitation attempts specific to this vulnerability.

Description

D-Link DIR-823X AX3000 Dual-Band Gigabit Wireless Router v21_D240126 was discovered to contain a remote code execution (RCE) vulnerability in the ntp_zone_val parameter at /goform/set_ntp. This vulnerability is exploited via a crafted HTTP request.

References

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