Link following in Grandstream GXP1600 Series
Priority MEDIUM 46CWE-59Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker uploads a specially crafted tar file to the HTTP /cgi-bin/upload_vpntar interface.
Why it matters now
EPSS 0.05424 92nd 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 |
|---|---|---|---|---|---|
| — | Grandstream GXP1600 Series | up to 1.0.4.152 | — | No fix listed | CNA |
- Grandstream GXP1600 Series Vendor— Affected up to 1.0.4.152 Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:grandstream:gxp1610_firmware:*:*:*:*:*:*:*:* | up to 1.0.4.152 | Vulnerable | Grandstream |
| cpe:2.3:h:grandstream:gxp1610:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Grandstream |
| cpe:2.3:o:grandstream:gxp1615_firmware:*:*:*:*:*:*:*:* | up to 1.0.4.152 | Vulnerable | Grandstream |
| cpe:2.3:h:grandstream:gxp1615:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Grandstream |
| cpe:2.3:o:grandstream:gxp1620_firmware:*:*:*:*:*:*:*:* | up to 1.0.4.152 | Vulnerable | Grandstream |
| cpe:2.3:h:grandstream:gxp1620:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Grandstream |
| cpe:2.3:o:grandstream:gxp1625_firmware:*:*:*:*:*:*:*:* | up to 1.0.4.152 | Vulnerable | Grandstream |
| cpe:2.3:h:grandstream:gxp1625:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Grandstream |
| cpe:2.3:o:grandstream:gxp1628_firmware:*:*:*:*:*:*:*:* | up to 1.0.4.152 | Vulnerable | Grandstream |
| cpe:2.3:h:grandstream:gxp1628:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Grandstream |
- cpe:2.3:o:grandstream:gxp1610_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.4.152 Vulnerable ·Grandstream
- cpe:2.3:h:grandstream:gxp1610:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Grandstream
- cpe:2.3:o:grandstream:gxp1615_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.4.152 Vulnerable ·Grandstream
- cpe:2.3:h:grandstream:gxp1615:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Grandstream
- cpe:2.3:o:grandstream:gxp1620_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.4.152 Vulnerable ·Grandstream
- cpe:2.3:h:grandstream:gxp1620:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Grandstream
- cpe:2.3:o:grandstream:gxp1625_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.4.152 Vulnerable ·Grandstream
- cpe:2.3:h:grandstream:gxp1625:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Grandstream
- cpe:2.3:o:grandstream:gxp1628_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.4.152 Vulnerable ·Grandstream
- cpe:2.3:h:grandstream:gxp1628:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Grandstream
Show 2 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:grandstream:gxp1630_firmware:*:*:*:*:*:*:*:* | up to 1.0.4.152 | Vulnerable | Grandstream |
| cpe:2.3:h:grandstream:gxp1630:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Grandstream |
- cpe:2.3:o:grandstream:gxp1630_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.4.152 Vulnerable ·Grandstream
- cpe:2.3:h:grandstream:gxp1630:-:*:*:*:*:*:*:* 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-2020-5738
- 2026-10-03 Alias added: GHSA-h368-4vc2-fv34
References
More Grandstream Gxp1610 Firmware vulnerabilities
- TI-2026-01969 Grandstream GXP1600 VoIP Phones - Unauthenticated stack buffer overflow CVSS 4.0CRITICAL 9.3
- TI-2020-04667 Code injection in Grandstream GXP1600 Series CVSS 3.1HIGH 8.8
- TI-2018-12511 Shell Metacharacter Injection in the SSH configuration interface on Grandstream GXP16xx… CVSS 3.0CRITICAL 9.8
- TI-2018-12510 A Malformed Input String to /cgi-bin/delete_CA on Grandstream GXP16xx VoIP 1.0.4.128… CVSS 3.0CRITICAL 9.8
- TI-2018-12509 A Malformed Input String to /cgi-bin/api-get_line_status on Grandstream GXP16xx VoIP… CVSS 3.0MEDIUM 5.3
Sources
- CVE-2020-5738 · CVE Program
- CVE-2020-5738 · NVD
- FIRST EPSS
- GHSA-h368-4vc2-fv34 · 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