# CVE-2026-19379: EFM ipTIME AX8004M CGI Endpoint d.cgi popen os command injection

> Remote attackers can execute arbitrary OS commands on EFM ipTIME AX8004M routers via the d.cgi endpoint, requiring immediate mitigation due to public exploit availability.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Aug 2026
- **Updated:** 11 Aug 2026
- **Also known as:** GHSA-6hpq-m5gp-6p39

## What is CVE-2026-19379?

CVE-2026-19379 is a medium-severity command injection vulnerability in EFM ipTIME AX8004M, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was determined in EFM ipTIME AX8004M 15.09.0. Impacted is the function popen of the file /cgi/d.cgi of the component CGI Endpoint. This manipulation of the argument fname causes os command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2026-19379?


## How do I fix CVE-2026-19379?

No fix has been published for CVE-2026-19379 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-19379 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19379 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-19379 and fix it if it is affected.

What it is: CVE-2026-19379 is a medium-severity command injection vulnerability in EFM ipTIME AX8004M, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19379 exists.

Affected product: EFM ipTIME AX8004M. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-19379/ (Markdown: https://insights.sbomify.com/CVE-2026-19379/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-19379
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-19379
- OSV: https://osv.dev/vulnerability/CVE-2026-19379

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-19379/
Summaries are generated and may contain mistakes; the official description above is the record.