How severe is CVE-2018-17564?

CVE-2018-17564 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17564?

CVE-2018-17564 primarily affects Grandstream Gxp1610 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-17564?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-17564 published?

CVE-2018-17564 was published on 2019-04-01 and last updated on 2026-06-17.

CVE-2018-17564

CVE-2018-17564 is a critical-severity vulnerability in Grandstream Gxp1610 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Grandstream Gxp1610 Firmware
Published: 2019-04-01
Last modified: 2026-06-17

Description

A Malformed Input String to /cgi-bin/delete_CA on Grandstream GXP16xx VoIP 1.0.4.128 phones allows attackers to delete configuration parameters and gain admin access to the device.

Frequently asked questions

What is CVE-2018-17564?: A Malformed Input String to /cgi-bin/delete_CA on Grandstream GXP16xx VoIP 1.0.4.128 phones allows attackers to delete configuration parameters and gain admin access to the device.
How severe is CVE-2018-17564?: CVE-2018-17564 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17564?: CVE-2018-17564 primarily affects Grandstream Gxp1610 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-17564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-17564 published?: CVE-2018-17564 was published on 2019-04-01 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:grandstream:gxp1610_firmware:1.0.4.128:*:*:*:*:*:*:*
cpe:2.3:o:grandstream:gxp1615_firmware:1.0.4.128:*:*:*:*:*:*:*
cpe:2.3:o:grandstream:gxp1620_firmware:1.0.4.128:*:*:*:*:*:*:*
cpe:2.3:o:grandstream:gxp1625_firmware:1.0.4.128:*:*:*:*:*:*:*
cpe:2.3:o:grandstream:gxp1628_firmware:1.0.4.128:*:*:*:*:*:*:*
cpe:2.3:o:grandstream:gxp1630_firmware:1.0.4.128:*:*:*:*:*:*:*

More vulnerabilities in Grandstream Gxp1610 Firmware

CVE-2026-2329 — Critical (CVSS 9.8): An unauthenticated stack-based buffer overflow vulnerability exists in the HTTP API endpoint /cgi-bin/api.values.get. A…
CVE-2018-17565 — Critical (CVSS 9.8): Shell Metacharacter Injection in the SSH configuration interface on Grandstream GXP16xx VoIP 1.0.4.128 phones allows…
CVE-2020-5739 — High (CVSS 8.8): Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an…
CVE-2020-5738 — High (CVSS 8.8): Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an…
CVE-2018-17563 — Medium (CVSS 5.3): A Malformed Input String to /cgi-bin/api-get_line_status on Grandstream GXP16xx VoIP 1.0.4.128 phones allows attackers…

All CVEs affecting Grandstream Gxp1610 Firmware →