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» Dec 30, 2021
Dec 30, 2021 Cyber Threat Intelligence
Track daily vulnerability activity, KEV additions, public exploits, critical disclosures, and EPSS risk shifts.
Daily summary
5 new critical disclosures — review patch status on exposed services.
Top threats today
Three highest-priority changes — analyst brief, not a CVE dump.
Critical exposure
CVE-2021-20151
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a flaw in the session management for the device.
New critical disclosure (CVSS 10) — high severity with a short public awareness window before exploit material typically surfaces.
Critical exposure
CVE-2021-20158
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability.
CVSS 9.8
Authentication bypass — unauthenticated access risk
New critical Trendnet Tew-827dru Firmware Auth Bypass (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.
Critical exposure
CVE-2021-45427
Emerson Xweb300d Evo Firmware Directory Traversal
New critical Emerson Xweb300d Evo Firmware Directory Traversal (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.
Active exploitation
CISA KEV — confirmed in-the-wild exploitation.
Nothing flagged in this category for this digest.
View KEV additions
Exploitation dynamics
Nothing flagged in this category for this digest.
See EPSS increases
New critical disclosures
Trendnet AC2600 TEW-827DRU version 2.08B01 does not have sufficient access controls for the WAN interface.
Trendnet AC2600 TEW-827DRU version 2.08B01 contains a flaw in the session management for the device.
Trendnet AC2600 TEW-827DRU version 2.08B01 makes use of hardcoded credentials.
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability.
Emerson XWEB 300D EVO 3.0.7--3ee403 is affected by: unauthenticated arbitrary file deletion due to path traversal.
View critical disclosures
cvelogic
Threat Intelligence