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VulnerabilityPublished

CVE-2024-50997: Netgear R8500 · Classic Buffer Overflow

Source CVE Database V5

0

Not known to be exploited · CVSS 5.7 Medium.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
5.7Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 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

  1. Network Segmentation: Isolate vulnerable Netgear routers from untrusted or guest networks to reduce exposure to potential attackers.
  2. Access Controls: Restrict access to router management interfaces to trusted administrators only, preferably via secure management VLANs or VPNs.
  3. Monitor Network Traffic: Implement IDS/IPS rules to detect anomalous POST requests targeting pptp.cgi or unusual traffic patterns indicative of exploitation attempts.
  4. Firmware Updates: Regularly check Netgear’s official channels for firmware updates or security advisories addressing this vulnerability and apply patches promptly once available.
  5. Disable Unused Services: If PPTP VPN functionality is not required, disable the related services or web interface components to reduce attack surface.
  6. Incident Response Preparedness: Prepare to quickly reboot or replace affected devices if a denial of service occurs and maintain backups of router configurations.
  7. Vendor Engagement: Engage with Netgear support to inquire about planned patches or mitigations and request timelines for fixes.

Description

Netgear R8500 v1.0.2.160, XR300 v1.0.3.78, R7000P v1.3.3.154, and R6400 v2 1.0.4.128 were discovered to contain a stack overflow via the pptp_user_ip parameter at pptp.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

References

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