CVE-2026-27847criticalCWE-89

CVE-2026-27847: critical vulnerability in Linksys MR9600

Missing authentication in Linksys MR9600, Linksys MX4200

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28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.4%
Due to improper neutralization of special elements, SQL statements can be injected via the handshake of a TLS-SRP connection. This can be used to inject known credentials into the database that can be utilized to successfully complete the handshake and use the protected service. This issue affects MR9600: 1.0.4.205530; MX4200: 1.0.13.210200.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Linksys · MR9600Linksys · MX4200
Related CVEs — Linksys MR9600

In the same product, most dangerous first.

CVE-2026-6992HIGHLinksys MR9600 JNAP Action run_central2.sh BTRequestGetSmartConnectStatus os command injectionEPSS 8.1%CVE-2026-4558HIGHLinksys MR9600 SmartConnect.lua smartConnectConfigure os command injectionEPSS 5.0%CVE-2026-27849CRITICALMissing neutralization in Linksys MR9600, Linksys MX4200EPSS 0.4%CVE-2026-27848CRITICALMissing neutralization in Linksys MR9600, Linksys MX4200EPSS 0.4%CVE-2026-25603MEDIUMPath Traversal vulnerability in Linksys MR9600, Linksys MX4200EPSS 0.3%CVE-2026-27850HIGHImproper verification in Linksys MR9600, Linksys MX4200EPSS 0.3%