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CVE-2024-23690VulnerabilityPublished Updated

CVE-2024-23690: Netgear FVS336Gv3 · OS Command Injection

Affects Netgear FVS336Gv3Source CVE Database V5

0

Not known to be exploited · CVSS 7.2 High · end of life, no fix coming : replace or isolate Netgear FVS336Gv3; no fix will be released.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
7.2High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.1% chance of exploitation in 30 days – higher than 66% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
None coming – the product is end of life
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Feb 2025

  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 2026-10-26.

What to do

No fix will be released: Netgear FVS336Gv3 is end of life. Replace it, or isolate it from untrusted networks until you can.

Affected software

ProductAffectedFixed in
Netgear FVS336Gv3Affected
  • =0
Fixed in–

AI-suggested

1. Immediately disable Telnet access on all Netgear FVS336Gv2 and FVS336Gv3 devices to eliminate the remote attack vector. 2. Restrict administrative access to these devices to trusted management networks using firewall rules or VPNs. 3. Replace affected devices with currently supported and patched models to ensure ongoing security updates. 4. Implement strong authentication mechanisms and regularly rotate credentials to reduce the risk of credential compromise. 5. Monitor network traffic for unusual Telnet connections or command patterns indicative of exploitation attempts. 6. If device replacement is not immediately feasible, isolate the devices from critical network segments to limit potential impact. 7. Educate network administrators about the risks of using end-of-life devices and insecure protocols like Telnet. 8. Consider deploying network intrusion detection systems (NIDS) with signatures to detect exploitation attempts targeting this vulnerability. 9. Maintain an inventory of all network devices to identify and prioritize remediation of vulnerable hardware. 10. Engage with Netgear support or authorized vendors for any potential firmware updates or workarounds, despite the end-of-life status.

Description

The end-of-life Netgear FVS336Gv2 and FVS336Gv3 are affected by a command injection vulnerability in the Telnet interface. An authenticated and remote attacker can execute arbitrary OS commands as root over Telnet by sending crafted "util backup_configuration" commands.

References

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