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, 10:12 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
- Immediately segment networks to isolate affected routers from untrusted or guest devices to reduce exposure to potential attackers on the LAN.
- 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.
- Monitor network traffic for unusual or malformed HNAP requests that could indicate exploitation attempts.
- Restrict physical and wireless access to the local network to trusted users only, minimizing the risk of unauthorized LAN access.
- Regularly check for firmware updates from D-Link addressing this vulnerability and apply patches promptly once available.
- Consider replacing affected devices with models that have received security updates or have a better security track record if patches are delayed.
- Employ network intrusion detection/prevention systems (IDS/IPS) with signatures targeting HNAP buffer overflow attempts.
- 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.