CVE-2017-16564 — Stored Cross-site scripting (XSS) vulnerability in /cgi-bin/config2 on Vonage (Grandstream) HT802 devices allows remote authenticated users to inject arbitrary web script or HTML via the DHCP vendor class ID field (P148)

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MEDIUM

Stored Cross-site scripting (XSS) vulnerability in /cgi-bin/config2 on Vonage (Grandstream) HT802 devices allows remote authenticated users to inject arbitrary web script or HTML via the DHCP vendor class ID field (P148)

Published Nov 6, 2017

5.4

MEDIUM

CVSS 3.0

EPSS 0.61%

Description

Stored Cross-site scripting (XSS) vulnerability in /cgi-bin/config2 on Vonage (Grandstream) HT802 devices allows remote authenticated users to inject arbitrary web script or HTML via the DHCP vendor class ID field (P148).

Affected products

Remediation

No remediation recorded yet.

Metrics

0.61% 0.00614

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00614

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.61% (0.00614)	47.50th	v5 (v2026.06.15)
Sep 20, 2026	0.61% (0.00614)	48.04th	v5 (v2026.06.15)
Jul 20, 2024	0.07% (0.00071)	31.33th	v3 (v2023.03.01)
Jul 10, 2024	0.07% (0.00071)	31.21th	v3 (v2023.03.01)
Mar 7, 2023	0.07% (0.00072)	29.19th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.56% (0.00556)	13.12th	v5 (v2026.06.15)
Apr 14, 2021	0.56% (0.00556)	0.00th	v1

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (1)

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

Link	Providers	Tags
https://distributedcompute.com/2017/11/04/vonage-ht802-multiple-vulnerabilities/		x_refsource_MISCExploitThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Nov 6, 2017

Updated Aug 5, 2024

Reserved Nov 6, 2017

Link CVE-2017-16564

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-16564

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-16564