CVE-2019-25671 — VA MAX 8

VA MAX 8.3.4 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by injecting shell metacharacters into the mtu_eth0 parameter. Attackers can send POST requests to the changeip.php endpoint with malicious payload in the

01What is this vulnerability?

VA MAX 8.3.4 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by injecting shell metacharacters into the mtu_eth0 parameter. Attackers can send POST requests to the changeip.php endpoint with malicious payload in the mtu_eth0 field to execute commands as the apache user.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2026-04-05T21:16:44.780
• Last modified: 2026-07-24T22:10:00.140

09References

• www.exploit-db.com — https://www.exploit-db.com/exploits/46348
• www.vulncheck.com — https://www.vulncheck.com/advisories/va-max-remote-code-execution-via-changeip-p…