CVE-2025-29229: linksys E5600 · Command Injection
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 14:05 UTC
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 23 Dec 2025
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 inventory and identify all Linksys E5600 routers within the organization to assess exposure.
- Monitor vendor channels for firmware updates or security advisories addressing CVE-2025-29229 and apply patches as soon as they become available.
- If patches are unavailable, disable the DDNS feature or the ddnsStatus function to prevent exploitation.
- Restrict remote access to router management interfaces using firewall rules, VPNs, or network segmentation to limit exposure to untrusted networks.
- Implement network monitoring to detect anomalous router behavior or unexpected command executions indicative of exploitation attempts.
- Employ intrusion detection/prevention systems (IDS/IPS) with signatures targeting command injection patterns related to this vulnerability.
- Educate IT staff about the vulnerability and ensure incident response plans include steps for compromised network devices.
- Consider replacing vulnerable devices with models that have a stronger security posture if immediate patching is not feasible.
- Regularly audit router configurations and logs to detect unauthorized changes or access.
- 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.