Ot
The Modem Nobody Audited: Inside the 2026 Water Utility PLC Attacks
Thirty-plus Minnesota water utilities lost control of their PLCs in a single weekend, and the entry point wasn't the internet-facing HMI everyone scans for — it was a cellular modem nobody put on the asset inventory. A look at what CyberAv3ngers actually did, why a 2021 CVE is still unpatched, and why 'get it off the internet' misses the real exposure.
CISA and the FBI Warn: Internet-Exposed Fuel Tank Gauges Are Under Active Attack
A June 2 joint advisory from CISA, the FBI, the NSA and five other agencies says attackers are compromising internet-exposed automatic tank gauge systems and modifying them through command execution. Shadowserver counts over 1,000 exposed, 909 in the US — on the same TCP port these consoles have answered on for a decade.
BRIDGE:BREAK — 22 Flaws in Lantronix and Silex Serial-to-IP Converters, ~20,000 Devices Exposed
Forescout's Vedere Labs disclosed 22 CVEs in Lantronix EDS3000PS/EDS5000 and Silex SD330-AC serial-to-IP converters, including unauthenticated RCE, hard-coded keys, and null admin passwords. Roughly 20,000 devices sit directly on the public internet.
ZionSiphon: OT Sabotage Malware Targeting Israeli Water and Desalination Plants
Darktrace dissects ZionSiphon, a politically motivated OT malware built to tamper with chlorine and pressure in Israeli water systems. Broken by bad crypto, but the blueprint is real.
CVE-2026-32746: 32-Year-Old GNU Telnetd Bug Gives Unauthenticated Attackers Root via Port 23
A CVSS 9.8 pre-authentication buffer overflow in GNU inetutils telnetd lets remote attackers get root before the login prompt. Patch is incomplete across major distros and a public PoC exists.