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CVE-2020-11899 is an out-of-bounds read vulnerability in the IPv6 component of the Treck TCP/IP stack affecting versions before 6.0.1.66. The flaw is attributed to improper input validation while handling an IPv6 packet from an unauthorized network attacker. By supplying crafted network input, an attacker can trigger a read outside the intended memory buffer in the IPv6 processing path. This issue is part of the Ripple20 vulnerability set affecting widely embedded Treck-derived networking implementations used across IoT, IoMT, and ICS/OT products.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Ripple20-related remote code execution vulnerability observed being targeted against the London honeypot.
Improper input validation in the Treck IPv6 component that may allow out-of-bounds read and denial of service.
A vulnerability in a widely used TCP/IP stack (Ripple20) affecting IoT, IoMT, and ICS/OT systems, allowing remote exploitation.
One of the Ripple20 vulnerabilities affecting the Treck TCP/IP stack used in embedded/ICS/IoT devices.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.