weekly

SIGNALS WEEKLY: Keys & Gates — Windows kernel EoP; Cisco RA VPN reloads

Keys. Gates. Windows. Actively exploited Win kernel EoP ✅ (CVE-2025-62215). Cisco RA-VPN bugs can reload unpatched edges. LANDFALL used Samsung’s image bug (CVE-2025-21042). Which breaks first in your shop?

Wes

12 Nov 2025 — 4 min read

Please don’t jiggle the firewall—it gets… emotional.

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TL;DR

[Vulnerabilities] Microsoft patches actively exploited Windows Kernel EoP (CVE-2025-62215); prioritize coverage across Win10/11/Server, including ESU gaps.
[Network Security] Cisco ASA/FTD RA VPN bugs (CVE-2025-20333/20362) see new DoS variant causing device reloads; upgrade to fixed trains.
[Intrusion Sets] LANDFALL Android spyware abusing Samsung CVE-2025-21042 via malicious images; targeted Galaxy models, now in CISA KEV.

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Current Stories

TL;DR

[Vulnerabilities] Microsoft patches actively exploited Windows Kernel EoP CVE-2025-62215 (race condition; SYSTEM) across Win10/11/Server; first Win10 ESU updates ship.
[Intrusion Sets] LANDFALL Android spyware abused Samsung CVE-2025-21042 via malicious images; CISA added to KEV on 2025-11-10; targeted Galaxy models.
[Network Security] Cisco ASA/FTD RA VPN bugs (CVE-2025-20333, CVE-2025-20362) see new attack variant causing device reloads/DoS; patch to fixed trains.
[Vulnerabilities] Apple ships iOS/iPadOS 18.7.2 (2025-11-05) and macOS Tahoe 26.1 (2025-11-03) with numerous CVE fixes across Kernel/WebKit/Safari.
[Geopolitics] US Treasury sanctions DPRK bankers/entities laundering cybercrime and IT‑worker funds; cites >$3B crypto theft over three years.

References

(2025-11-11) CVE-2025-62215 | Windows Kernel Elevation of Privilege (MSRC)
(2025-11-07) LANDFALL: New Commercial-Grade Android Spyware (Unit 42)
(2025-11-10) CISA Adds One Known Exploited Vulnerability to Catalog (Samsung CVE-2025-21042)
(2025-11-06) Cisco ASA/FTD VPN Web Server RCE (CVE-2025-20333) — new DoS attack variant noted
(2025-11-05) About the security content of iOS 18.7.2 and iPadOS 18.7.2
(2025-11-05) About the security content of macOS Tahoe 26.1
(2025-11-04) Treasury sanctions DPRK bankers and institutions tied to cybercrime/IT worker funds

Suggested Pivots

What’s our exposure to CVE-2025-62215 across managed and BYO Windows assets?

Why: Local EoPs become high-impact when paired with phishing or initial access; ESU coverage for Win10 may be uneven.
What to expect: Version/KB coverage map, privileged endpoint populations, and patch SLAs by business unit.

Which ASA/FTD versions and RA VPN configs in our ecosystem align to Cisco’s vulnerable profiles?

Why: New attack variant induces reload/DoS on unpatched edge; third‑party outages can cascade.
What to expect: Device/version inventory (internal/partners), config checks (webvpn/IKEv2 client services), and upgrade paths to fixed releases.

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