Security readout for executives and security teams
CVE-2018-17563 affects Grandstream GXP16xx VoIP phones running firmware 1.0.4.128. A malformed input to a device CGI endpoint can cause the phone to disclose its configuration in cleartext. That configuration may include sensitive operational details or credentials, so exposed phones should be treated as a meaningful data-leak risk. Exposure is most likely where Grandstream GXP16xx phones on firmware 1.0.4.128 have their web management or CGI interface reachable by untrusted networks. Internal-only devices still matter if user networks, guest Wi-Fi, or compromised hosts can reach phone management interfaces. Prioritize remediation for internet-accessible or broadly reachable phone management interfaces. The primary risk is cleartext configuration disclosure, which can expose credentials and telephony settings. Urgency is lower for tightly isolated devices, but validation should not be deferred where VoIP phones share networks with users. Mitigation focus: Inventory Grandstream GXP16xx phones and identify firmware 1.0.4.128 devices.; Check Grandstream firmware guidance for fixed or recommended versions.; Restrict phone management interfaces to trusted admin networks only..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2018-17563 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://iridiumxor.wordpress.com/2019/01/03/three-simple-cves-for-a-good-voip-phone/CVE reference · x_refsource_MISC
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