Jan 21, 2026 Cyber Threat Intelligence
Track daily vulnerability activity, KEV additions, public exploits, critical disclosures, and EPSS risk shifts.
Daily summary
- Cisco Unified Communications Manager added to CISA KEV — confirmed in-the-wild exploitation.
- 10 new critical disclosures — review patch status on exposed services.
Top threats today
Three highest-priority changes — analyst brief, not a CVE dump.
Critical active threat
CVE-2026-20045
Cisco Unified Communications Products Code Injection
- Actively exploited (CISA KEV)
- Listed on CISA KEV
- Network edge / SD-WAN deployments affected
Confirmed in-the-wild exploitation per CISA KEV — active threat momentum, not theoretical risk.
Critical exposure
- CVSS 9.8
- Remote code execution exposure
New critical Tenda Ax3 Firmware RCE (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.
Critical exposure
- CVSS 9.8
- Remote code execution exposure
New critical Tenda Ax3 Firmware RCE (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.
Active exploitation
CISA KEV — confirmed in-the-wild exploitation.
Cisco Unified Communications Products Code Injection
View KEV additions
Exploitation dynamics
Nothing flagged in this category for this digest.
See EPSS increases
New critical disclosures
Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause memory corruption and...
Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the cityta...
5ire is a cross-platform desktop artificial intelligence assistant and model context protocol client.
5ire is a cross-platform desktop artificial intelligence assistant and model context protocol client.
External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets.
Fleet is open source device management software.
Laravel Reverb provides a real-time WebSocket communication backend for Laravel applications.
sm-crypto provides JavaScript implementations of the Chinese cryptographic algorithms SM2, SM3, and SM4.
Grist is spreadsheet software using Python as its formula language.
Appsmith is a platform to build admin panels, internal tools, and dashboards.
View critical disclosures
cvelogic
Threat Intelligence