CVE-2024-25331: Stack-based Buffer Overflow
Source CVE Database V5
Not known to be exploited · CVSS 9.3 Critical.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 12 Mar 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
1. Immediately segment networks to isolate affected routers from untrusted or guest devices to reduce exposure to potential attackers on the LAN. 2. Disable HNAP services on the affected routers if the option is available in the device settings or via command line to remove the attack vector. 3. Monitor network traffic for unusual or malformed HNAP requests that could indicate exploitation attempts. 4. Restrict physical and wireless access to the local network to trusted users only, minimizing the risk of unauthorized LAN access. 5. Regularly check for firmware updates from D-Link addressing this vulnerability and apply patches promptly once available. 6. Consider replacing affected devices with models that have received security updates or have a better security track record if patches are delayed. 7. Employ network intrusion detection/prevention systems (IDS/IPS) with signatures targeting HNAP buffer overflow attempts. 8. Educate users about the risks of connecting unknown devices to the network and the importance of network hygiene.
Description
DIR-822 Rev. B Firmware v2.02KRB09 and DIR-822-CA Rev. B Firmware v2.03WWb01 suffer from a LAN-Side Unauthenticated Remote Code Execution (RCE) vulnerability elevated from HNAP Stack-Based Buffer Overflow.