LIVE · cybersecurity feed
Live wire
ASOS Breach Reveals the Risks in Customer-Facing SaaSUnpatched AhsayCBS flaws exploited to deploy webshells, mine cryptoAI Training Critical as Governance Challenges GrowUS Disrupts Chinese State-Sponsored Hacking ToolsCitrix warns admins to patch new NetScaler RCE flaw immediatelyCisco Patches a Dozen Critical VulnerabilitiesCisco warns of critical flaws allowing Nexus switch takeoverCVE-2026-21589 · Exploitation attempts against critical Atlassian flaw have begun (CVE-2026-21589)Cyber experts call on CISA to create mandatory federal OT rulesGremlin Foresight AI finds system weaknesses and verifies the fixes
cve recordhighexploited in the wildzero day3 of 3 cataloguesransomwareexploit reported

CVE-2025-14733

WatchGuard · Firebox · WatchGuard Firebox Out of Bounds Write Vulnerability

· Added to CISA KEV
CVSS—
Severityhigh
Weakness—
EPSS29.4%98.2th percentile
Exploited3 KEV sources
Ransomware useKnown
Federal fix dueDec 26, 2025
patch window

Called exploited the same day it was disclosed.

Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.

The life of this vulnerability

  1. CVE published
  2. First KEV listingsame day
  3. Last sighting4mo

Gaps are compressed to equal steps. The elapsed time is printed under each.

Which catalogues call it exploited

Sources3 of 3
Listings differ by0 d
Strongest claimconfirmed

3 catalogues list it. CIRCL aggregates the others and is shown but not counted.

Public exploitation evidence

8 public reports collected from VulnCheck and CIRCL, first on Dec 19, 2025. Each links to its original source. We have not verified them.

Description

WatchGuard Fireware OS iked process contains an out of bounds write vulnerability in the OS iked process. This vulnerability may allow a remote unauthenticated attacker to execute arbitrary code and affects both the mobile user VPN with IKEv2 and the branch office VPN using IKEv2 when configured with a dynamic gateway peer.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

← Back to the CVE Tracker

Our coverage of CVE-2025-14733

CVE-2025-14733critical

CISA: WatchGuard RCE flaw now exploited in ransomware attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has confirmed that a critical remote code execution (RCE) vulnerability in WatchGuard Firebox firewalls, tracked as CVE-2025-14733, is now being exploited by ransomware groups. CISA added this flaw to its Known Exploited Vulnerabilities (KEV) catalog in December, at which point it was already being actively exploited.