Regex, UTF‑8 exposure, and web apps

Unicode: It is more than funny domain names.
Unicode can cause a number of issues due to odd features like variance selectors and text direction issues.
https://isc.sans.edu/diary/Unicode%3A%20It%20is%20more%20than%20funny%20domain%20names./32472
FortiWeb Multiple OS command injection in API and CLI
A second silently patched vulnerability in FortiWeb is already being exploited in the wild.
https://fortiguard.fortinet.com/psirt/FG-IR-25-513
DLink DIR-878 Vulnerability
DLink disclosed four different vulnerabilities in its popular DIR-878 router. The router is end-of-life and DLink will not release patches
https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10475
Operation WrtHug, The Global Espionage Campaign Hiding in Your Home Router
A new report, Operation WrtHug, has uncovered a massive, coordinated effort that has compromised thousands of ASUS routers worldwide.
https://securityscorecard.com/blog/operation-wrthug-the-global-espionage-campaign-hiding-in-your-home-router/