C3RB3R (Cerber) ransomware hits Synology NAS devices through DSM flaws CVE-2026-13639 and CVE-2026-13684 ยท updates https://pwn.watch/i/synology-dsm-cerber-c3rb3r-ransomware-cve-2026-13639-13684 Since October 2026, 360's anti-ransomware team has handled multiple ransomware attacks on Synology NAS devices by C3RB3R, a variant of the Cerber ransomware family. 360 says the attackers get in through CVE-2026-13639 (insufficient entropy in DSM login logic) and CVE-2026-13684 (improper output encoding in DSM's SCGI), two critical, unauthenticated remote bugs that Synology fixed on Sep 18 2026 in advisory Synology-SA-26:13. Encrypted files get the .L0CK3D extension and a read-me3.txt ransom note is dropped in each folder. Devices that haven't installed the September DSM update are at risk. en Thu, 29 Oct 2026 00:00:00 GMT C3RB3R (Cerber) ransomware hits Synology NAS devices through DSM flaws CVE-2026-13639 and CVE-2026-13684: 360 warns that C3RB3R, a Cerber ransomware variant, has been encrypting Synology NAS devices since October through CVE-2026-13639 and CVE-2026-13684, renaming files to .L0CK3D and leaving read-me3.txt ransom notes. https://pwn.watch/i/synology-dsm-cerber-c3rb3r-ransomware-cve-2026-13639-13684 https://pwn.watch/i/synology-dsm-cerber-c3rb3r-ransomware-cve-2026-13639-13684#2026-10-29-42606e09 Thu, 29 Oct 2026 00:00:00 GMT critical <p><a href="https://www.360.cn/n/13055.html">Source</a></p> C3RB3R (Cerber) ransomware hits Synology NAS devices through DSM flaws CVE-2026-13639 and CVE-2026-13684: Synology publishes Synology-SA-26:13 (Critical), fixing eight DSM vulnerabilities including CVE-2026-13639 and CVE-2026-13684, which let remote attackers read or write arbitrary files. https://pwn.watch/i/synology-dsm-cerber-c3rb3r-ransomware-cve-2026-13639-13684 https://pwn.watch/i/synology-dsm-cerber-c3rb3r-ransomware-cve-2026-13639-13684#2026-09-18-89c48a8f Fri, 18 Sep 2026 00:00:00 GMT critical <p><a href="https://www.synology.com/en-global/security/advisory/Synology_SA_26_13">Source</a></p>