CVE-2025-11303: Belkin F9K1015 · Command Injection
Affects Belkin F9K1015Source CVE Database V5
Public exploit available · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 6.7% chance of exploitation in 30 days – higher than 93% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 5 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Belkin F9K1015 | Affected
| Fixed in– |
AI-suggested
Organizations should immediately assess their network for the presence of Belkin F9K1015 routers running firmware version 1.00.10 and isolate or replace affected devices where possible. In the absence of an official patch, network-level mitigations should be implemented, including restricting access to the router's management interfaces to trusted IP addresses and disabling remote management features if enabled. Employ network segmentation to limit exposure of vulnerable devices to untrusted networks. Monitor network traffic for unusual activity indicative of exploitation attempts, such as unexpected commands or connections to suspicious IP addresses. Consider deploying intrusion detection/prevention systems with signatures targeting known exploit patterns for this vulnerability. Regularly check for vendor updates or community-developed patches and apply them promptly once available. Additionally, maintain robust backup and recovery procedures to restore device configurations if compromised.
Description
A vulnerability was detected in Belkin F9K1015 1.00.10. Affected is an unknown function of the file /goform/mp. Performing a manipulation of the argument command results in command injection. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.