Critical Alert 1 Active Exploit Detected Today

CVE-2026-76504 — Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability →
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October 1, 2026

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CVE-2025-14237NVD

Vulnerability Summary

Buffer overflow in XPS font parse processing on Small Office Multifunction Printers and Laser Printers(*) which may allow an attacker on the network segment to trigger the affected product being unresponsive or to execute arbitrary code. *: Satera LBP670C Series/Satera MF750C Series firmware v06.02 and earlier sold in Japan.Color imageCLASS LBP630C/Color imageCLASS MF650C Series/imageCLASS LBP230 Series/imageCLASS X LBP1238 II/imageCLASS MF450 Series/imageCLASS X MF1238 II/imageCLASS X MF1643i II/imageCLASS X MF1643iF II firmware v06.02 and earlier sold in US.i-SENSYS LBP630C Series/i-SENSYS MF650C Series/i-SENSYS LBP230 Series/1238P II/1238Pr II/i-SENSYS MF450 Series/i-SENSYS MF550 Series/1238i II/1238iF II/imageRUNNER 1643i II/imageRUNNER 1643iF II firmware v06.02 and earlier sold in Europe.
Severity Level
CRITICAL(9.3)
Published Date
Jan 16, 2026
Last Modified
Jan 26, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-787: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredNone
User InteractionNone
Confidentiality (Vulnerable System)High
Integrity (Vulnerable System)High
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
CVSS v3.1 Base Metrics — Score 9.8 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Canon Mf455dw Firmware <= 06.02
  • Canon Mf453dw Firmware <= 06.02
  • Canon Mf452dw Firmware <= 06.02
  • Canon Mf451dw Firmware <= 06.02
  • Canon Mf654cdw Firmware <= 06.02
  • Canon Mf656cdw Firmware <= 06.02
  • Canon Mf653cdw Firmware <= 06.02
  • Canon Mf652cw Firmware <= 06.02
  • Canon Mf1238 Ii Firmware <= 06.02
  • Canon Mf1643if Ii Firmware <= 06.02
  • Canon Mf1643i Ii Firmware <= 06.02
  • Canon Lbp237dw Firmware <= 06.02
  • Canon Lbp236dw Firmware <= 06.02
  • Canon Lbp633cdw Firmware <= 06.02
  • Canon Lbp632cdw Firmware <= 06.02
  • Canon Lbp1238 Ii Firmware <= 06.02
Patched Versions
Not provided by NVD for this CVE.
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🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References