Stored Cross-site scripting (XSS) vulnerability in /cgi-bin/config2 on Vonage…
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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).
Why it matters now
EPSS 0.00614 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:grandstream:ht802_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Grandstream |
| cpe:2.3:h:grandstream:ht802:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Grandstream |
- cpe:2.3:o:grandstream:ht802_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Grandstream
- cpe:2.3:h:grandstream:ht802:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Grandstream
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-16564
- 2026-10-03 Alias added: GHSA-mc72-cfpm-m746
More Grandstream Ht802 Firmware vulnerabilities
- TI-2020-04691 Grandstream HT800 series firmware version 1.0.17.5 and below contain a backdoor in the… CVSS 3.1HIGH 8.8
- TI-2020-04688 OS command injection in Grandstream HT800 Series CVSS 3.1HIGH 7.8
- TI-2020-04689 Infinite loop in Grandstream HT800 Series CVSS 3.1HIGH 7.5
- TI-2020-04690 NULL pointer dereference in Grandstream HT800 Series CVSS 3.1HIGH 7.5
- TI-2017-12176 Cross-Site Request Forgery (CSRF) in /cgi-bin/login on Vonage (Grandstream) HT802 devices… CVSS 3.0HIGH 8.8
- TI-2017-12174 Cross-Site Request Forgery (CSRF) in the Basic Settings screen on Vonage (Grandstream)… CVSS 3.0HIGH 8.0
Sources
- CVE-2017-16564 · CVE Program
- CVE-2017-16564 · NVD
- FIRST EPSS
- GHSA-mc72-cfpm-m746 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences