CVE-2026-27850 (GCVE-0-2026-27850)
Vulnerability from cvelistv5 – Published: 2026-02-25 16:58 – Updated: 2026-02-25 19:11
VLAI?
Title
Improper verification in Linksys MR9600, Linksys MX4200
Summary
Due to an improperly configured firewall rule, the router will accept any connection on the WAN port with the source port 5222, exposing all services which are normally only accessible through the local network.
This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.
Severity ?
7.5 (High)
CWE
- cwe-940 Improper Verification of Source of a Communication Channel
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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