Cyber Security News for August 6 2026 - Daily DefSec Brief
1. JetBrains TeamCity deserialization RCE added to CISA KEV — CVE-2026-63077 — CISA KEV — https://www.cisa.gov/known-exploited-vulnerabilities-catalog 2. Zbtlink Chinese routers ship a factory backdoor (ENDLESSDOORS) with unauth root shell — The Hacker News / VulnCheck — https://thehackernews.com/2026/08/chinese-made-zbtlink-routers-ship-with.html 3. Critical Cisco IMC bug gives root via web interface, public PoC out — CVE-2026-20200, CVE-2026-20272 — Help Net Security — https://www.helpnetsecurity.com/2026/08/06/cisco-imc-cve-2026-20200-public-poc-exploit/ 4. Attackers compile khunt toolkit…
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