CVE-2019-5141 — An exploitable command injection vulnerability exists in the iw_webs functionali

An exploitable command injection vulnerability exists in the iw_webs functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted iw_serverip parameter can cause user input to be reflected in a subsequent iw_system call, resulting in remote control over the devi

01What is this vulnerability?

An exploitable command injection vulnerability exists in the iw_webs functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted iw_serverip parameter can cause user input to be reflected in a subsequent iw_system call, resulting in remote control over the device. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.

02Affected products

Vendor	Product	Versions
n	a / Moxa	Moxa AWK-3131A Firmware version 1.13

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: 2020-02-25T15:26:48.000Z
• Last modified: 2024-08-04T19:47:56.760Z

09References

• talosintelligence.com — https://talosintelligence.com/vulnerability_reports/TALOS-2019-0930