Cacti® - The Complete RRDTool-based Graphing Solution
Depends
Confidence: Medium
Use Cacti if you're a technical team wanting free, self-hosted network graphing and can run and patch the stack yourself.
Comparison
Cacti® - The Complete RRDTool-based Graphing Solution vs Prometheus
Cacti® - The Complete RRDTool-based Graphing Solution and Prometheus both land on Depends.
Prometheus
Depends
Confidence: Medium
Buy it if you run Kubernetes or cloud-native infrastructure and can operate open-source tooling yourself.
| Compare | Cacti® - The Complete RRDTool-based Graphing Solution | Prometheus |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Network engineers graphing bandwidth and device health | Kubernetes and container monitoring |
| Who it's not for | Non-technical teams wanting plug-and-play monitoring | Non-technical teams wanting turnkey hosting |
| Privacy | Free software with real, exploited CVEs; no vendor, so patching is entirely on you.⁵ | Security model is documented, but 2026 brought XSS and DoS CVEs, and misconfigured public exposure is the top real-world risk. |
| Support quality | Community forums only, no vendor | No support evidence in sources |
| Public sentiment | Admins value it as a solid free graphing tool, but forum evidence shows recurring install and configuration pain.⁸ | Adoption is enormous . 68,598 companies tracked . yet teams routinely evaluate simpler or cheaper alternatives.13 |
| Biggest gotcha | CVE-2024-25641, exploited in public hacking walkthroughs; patch fast or get popped.⁵ | Over 330K instances exposed to DoS attacks and data compromise in Dec 2024; never expose it publicly |
Pick Cacti® - The Complete RRDTool-based Graphing Solution when
- Network engineers graphing bandwidth and device health
- Self-hosters comfortable with Linux, PHP, MySQL
- Cost-sensitive infrastructure teams
- Large device fleets needing a fast poller
When Cacti® - The Complete RRDTool-based Graphing Solution is not a fit
- Non-technical teams wanting plug-and-play monitoring
- Anyone needing vendor support or an SLA
- Security-sensitive orgs without patch discipline
- Small shops that just need a few server dashboards
Pick Prometheus when
- Kubernetes and container monitoring
- DevOps teams comfortable running OSS
- Cloud-native metrics and alerting
- Grafana-centric dashboards
When Prometheus is not a fit
- Non-technical teams wanting turnkey hosting
- Anyone needing vendor SLAs and support
- Small apps needing one simple uptime check
- Teams with no capacity to operate a TSDB
Sources
- Cacti security pagecacti.netofficial
- Cacti plugin reference docsdocs.cacti.netofficial
- Cacti GitHub repositorygithub.comofficial
- Hack The Box walkthrough - MonitorsTwoerichogue.casecurity
- Hackthebox: MonitorsThreefouedsaidi.comsecurity
- Installing and configuring Cacti on FreeBSDdnaeon.github.ioreview
- 50 Top Observability and Monitoring Solutionslinuxblog.ionews
- Cacti forums - install page inaccessibleforums.cacti.netreview
- CNRC guide: Installing and configuring Cactipublications-cnrc.canada.canews
- Blog: Cacti overviewrbaldizon.comreview
official
review
- Companies that use Prometheus (68,598)theirstack.comnews
- CVE-2026-40179 - National Vulnerability Databasenvd.nist.govsecurity
- CVE-2026-42154: Prometheus DOS Vulnerabilitysentinelone.comsecurity
security