Critical severity9.8NVD Advisory· Published Dec 30, 2021· Updated Jun 17, 2026
CVE-2021-20149
CVE-2021-20149
Description
Trendnet AC2600 TEW-827DRU version 2.08B01 does not have sufficient access controls for the WAN interface. The default iptables ruleset for governing access to services on the device only apply to IPv4. All services running on the devices are accessible via the WAN interface via IPv6 by default.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Trendnet/AC2600 TEW-827DRUdescription
- Range: = 2.08B01
Patches
Vulnerability mechanics
References
1- www.tenable.com/security/research/tra-2021-54nvdThird Party Advisory
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