CVE-2023-33381 — A command injection vulnerability was found in the ping functionality of the Mit

A command injection vulnerability was found in the ping functionality of the MitraStar GPT-2741GNAC router (firmware version AR_g5.8_110WVN0b7_2). The vulnerability allows an authenticated user to execute arbitrary OS commands by sending specially crafted input to the router via

01What is this vulnerability?

A command injection vulnerability was found in the ping functionality of the MitraStar GPT-2741GNAC router (firmware version AR_g5.8_110WVN0b7_2). The vulnerability allows an authenticated user to execute arbitrary OS commands by sending specially crafted input to the router via the ping function.

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: 2023-06-06T12:15:09.250
• Last modified: 2026-07-09T01:18:22.567

09References

• github.com — https://github.com/duality084/CVE-2023-33381-MitraStar-GPT-2741GNAC/blob/main/RE…
• github.com — https://github.com/duality084/CVE-2023-33381-MitraStar-GPT-2741GNAC/blob/main/RE…