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Vulnerability record · CVE-2017-16563 · published 6 November 2017

CVE-2017-16563: Grandstream ht802 firmware cross-site request forgery vulnerability

Grandstream · Ht802 Firmware

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.

8.0 CVSS 3.0 High EPSS 0.44% · top 64.5% CWE-352 · Cross-site request forgery
8.0CVSS 3.0 base score, v2 6.0
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://distributedcompute.com/2017/11/04/vonage-ht802-multiple-vulnerabilities/ ExploitThird Party Advisory
https://distributedcompute.com/2017/11/04/vonage-ht802-multiple-vulnerabilities/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-16563), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.