CVE-2019-10655
9.8 · CRITICALOverview
CVE-2019-10655 is a critical-severity vulnerability affecting grandstream gac2500_firmware. It was published on March 30, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Grandstream GAC2500 1.0.3.35, GXP2200 1.0.3.27, GVC3202 1.0.3.51, GXV3275 before 1.0.3.219 Beta, and GXV3240 before 1.0.3.219 Beta devices allow unauthenticated remote code execution via shell metacharacters in a /manager?action=getlogcat priority field, in conjunction with a buffer overflow (via the phonecookie cookie) to overwrite a data structure and consequently bypass authentication. This can be exploited remotely or via CSRF because the cookie can be placed in an Accept HTTP header in an XMLHttpRequest call to lighttpd.
Remediation
Check the references section for vendor advisories and patches from grandstream. Update gac2500_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| grandstream | gac2500_firmware | 0 | Affected |
| grandstream | gvc3202_firmware | >= 0, < 1.0.3.51 | Affected |
| grandstream | gxv3275_firmware | >= 0, < 1.0.3.219 | Affected |
| grandstream | gxv3240_firmware | >= 0, < 1.0.3.219 | Affected |
| grandstream | gxp2200_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2019-10655?
CVE-2019-10655 is a critical-severity vulnerability affecting grandstream gac2500_firmware. It was published on March 30, 2019 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2019-10655?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-10655?
Check the references section for vendor advisories and patches from grandstream. Update gac2500_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-10655?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-10655 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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