CVE-2017-16563

CVE-2017-16563 is a high-severity vulnerability in Grandstream Ht802 Firmware with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Description

Cross-Site Request Forgery (CSRF) in the Basic Settings screen on Vonage (Grandstream) HT802 devices allows attackers to modify settings, related to cgi-bin/update.

Frequently asked questions

What is CVE-2017-16563?
Cross-Site Request Forgery (CSRF) in the Basic Settings screen on Vonage (Grandstream) HT802 devices allows attackers to modify settings, related to cgi-bin/update.
How severe is CVE-2017-16563?
CVE-2017-16563 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-16563 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16563?
CVE-2017-16563 affects Grandstream Ht802 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16563?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-16563 published?
CVE-2017-16563 was published on 2017-11-06 and last updated on 2026-06-17.

References

Affected products (1)

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