AEGLIX investigation
CVE-2026-18416 research
A source-linked research view connecting vulnerability evidence, reviewed campaign mentions, retained reporting and security tool listings.
Evidence summary
The CoAP link-format helper match_path_uri() in subsys/net/lib/coap/coap_link_format.c compares a registered resource path against the URI carried in a Uri-Query href= option. That URI is not NUL terminated, but the inner character loop advanced its index k once per path character without ever testing it against the option length len. When a registered path segment is longer than the supplied URI and the URI is a prefix of it, the loop reads uri[len] and beyond, past the end of the option value. The path is reached from coap_well_known_core_get_len() and coap_well_known_core_get() via match_queries_resource(), i.e. by any unauthenticated GET /.well-known/core?href=/<prefix> request to a ...
Assess exposure and vendor guidance
- No higher-priority signal is available in the current stored evidence.
CVSS: 3.7 · EPSS: 0.23% (2026-10-28)
Source retrieved 2026-10-28T10:26:02.045600+00:00. Read the full record and affected versions before making a patch decision.
Campaign content mentioning this CVE
Only published campaigns that passed the existing source-review gate are included. A textual mention does not establish exploitation or campaign membership.
No exact mention was found in the checked published campaign content.
Stored reporting mentioning this CVE
These are publisher excerpts, not independent verification of their claims.
No exact mention was found in the checked stored news excerpts.
Investigate advisory publishers
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- github.com
Find referenced tools in Arsenal
Search published listings whose documented CVE-reference field contains CVE-2026-18416. An empty result is valid. A reference does not establish safety, exploit reliability or suitability for your environment.
Search exact CVE references in Arsenal
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Coverage and interpretation
Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence.
Checked up to 100 candidate excerpts and 100 candidate campaigns; at most 10 results per section are shown. No external search or scan ran while loading this page.