EUVD-2026-62716
GHSA-59c8-jrwr-rjrp
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
PR:L confirmed by authentication requirement; AV:N reflects web-accessible AJAX endpoint; A:H from service crash; C:N/I:N as no data is exposed or modified.
Primary rating from Vendor (certcc).
CVSS VectorVendor: certcc
Lifecycle Timeline
3DescriptionCVE.org
Improper input validation in ajaxSet_wireless_network_configuration.jst in RDK-B WebUI rdkb-2025q4-kirkstone.04.10.26 allows an authenticated attacker to cause denial of service via a crafted ssid_number parameter.
AnalysisAI
Denial of service in RDK-B WebUI rdkb-2025q4-kirkstone.04.10.26 allows an authenticated remote attacker to crash the web management interface by sending a crafted ssid_number parameter to the ajaxSet_wireless_network_configuration.jst AJAX handler. The flaw was reported by CERT/CC and documented by independent researchers at Wrocław University of Technology alongside multiple other RDK-B vulnerabilities. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid, authenticated account on the RDK-B WebUI with at least low-level privileges, as confirmed by the CVSS PR:L metric - unauthenticated attackers cannot trigger this vulnerability. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.5 Medium score with vector AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H accurately characterizes this as a network-accessible DoS requiring only low-privilege authentication, with no confidentiality or integrity impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch or fixed version has been confirmed in the available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Authentication bypass in the RDK-B WebUI (broadband gateway management interface), build rdkb-2025q4-kirkstone.04.10.26,
Race condition in the authentication handler (`check.jst`) of RDK-B WebUI rdkb-2025q4-kirkstone allows remote unauthenti
Denial of service in RDK-B WebUI version rdkb-2025q4-kirkstone.04.10.26 is achievable by any remote unauthenticated atta
Same weakness CWE-20 – Improper Input Validation
View allSame technique Denial Of Service
View allShare
External POC / Exploit Code
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