25 May 2026
1. What is being reported?
Security researchers have identified new, unpatched vulnerabilities in Linux operating systems and widely used routers. These weaknesses can be exploited by attackers to gain unauthorised access or control, potentially using the devices to launch further attacks or disrupt services.
2. What this means in plain English
If your business uses Linux-based systems or routers, these vulnerabilities could let hackers break in, steal information, or disrupt your internet connection. This could lead to data loss, downtime, or your devices being used in cyberattacks against others.
3. Could this affect a small business?
Small businesses using Linux servers, network devices, or common routers are at risk, especially if their equipment is not regularly updated. Those using other operating systems or managed network services may be less affected but should still check with their providers.
4. What to do now
- Check with your IT provider or software supplier if your Linux systems and routers are affected and if updates or patches are available.
- Apply any recommended security updates or patches as soon as possible to close these vulnerabilities.
- Restart your routers and Linux devices after updates to ensure changes take effect.
- Monitor your network for unusual activity and report any suspicious behaviour to your IT support.
5. Ask your IT provider
Can you confirm if our Linux systems and routers are vulnerable to the latest reported security flaws, and what steps are being taken to protect us?
6. Bottom line
Act quickly to update your Linux systems and routers to keep your business safe from these new hacking threats.
Information based on reputable security reporting and CISA KEV advisories.