Cross-Site Request Forgery (CSRF) in /cgi-bin/login on Vonage (Grandstream) HT802 devices…
Priority LOW 39CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
Cross-Site Request Forgery (CSRF) in /cgi-bin/login on Vonage (Grandstream) HT802 devices allows attackers to authenticate a user via the login screen using the default password of 123 and submit arbitrary requests.
Why it matters now
EPSS 0.00494 42nd 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-2017-16565
- 2026-10-03 Alias added: GHSA-7hqv-474g-2gh4
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-2017-12174 Cross-Site Request Forgery (CSRF) in the Basic Settings screen on Vonage (Grandstream)… CVSS 3.0HIGH 8.0
- TI-2017-12175 Stored Cross-site scripting (XSS) vulnerability in /cgi-bin/config2 on Vonage… CVSS 3.0MEDIUM 5.4
Sources
- CVE-2017-16565 · CVE Program
- CVE-2017-16565 · NVD
- FIRST EPSS
- GHSA-7hqv-474g-2gh4 · 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