Skip to main content
VulnerabilityPublished

CVE-2025-29229: linksys E5600 · Command Injection

Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 13:47 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.2% chance of exploitation in 30 days – higher than 69% 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 23 Dec 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 26 Oct 2026.

What to do

AI-suggested

  1. Immediately inventory and identify all Linksys E5600 routers within the organization to assess exposure.
  2. Monitor vendor channels for firmware updates or security advisories addressing CVE-2025-29229 and apply patches as soon as they become available.
  3. If patches are unavailable, disable the DDNS feature or the ddnsStatus function to prevent exploitation.
  4. Restrict remote access to router management interfaces using firewall rules, VPNs, or network segmentation to limit exposure to untrusted networks.
  5. Implement network monitoring to detect anomalous router behavior or unexpected command executions indicative of exploitation attempts.
  6. Employ intrusion detection/prevention systems (IDS/IPS) with signatures targeting command injection patterns related to this vulnerability.
  7. Educate IT staff about the vulnerability and ensure incident response plans include steps for compromised network devices.
  8. Consider replacing vulnerable devices with models that have a stronger security posture if immediate patching is not feasible.
  9. Regularly audit router configurations and logs to detect unauthorized changes or access.
  10. Collaborate with ISPs and vendors to share threat intelligence and coordinate mitigation efforts.

Description

linksys E5600 V1.1.0.26 is vulnerable to command injection in the function ddnsStatus.

References

Community reviews

Loading reviews…